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🚪🔋 Stay Secure, Stay Smart — The Door Sensor That Never Sleeps!
The SONOFF SNZB-04P is a sleek, battery-powered Zigbee 3.0 door/window sensor designed for seamless integration with Alexa, Google Home, and SONOFF Zigbee hubs. Featuring a robust 5-year battery life, tamper alerts, and local smart scene control, it ensures reliable, real-time home security notifications and automation with minimal maintenance.







| ASIN | B0C1G7W72B |
| Battery Description | Lithium Metal |
| Battery description | Lithium Metal |
| Best Sellers Rank | 8,178 in DIY & Tools ( See Top 100 in DIY & Tools ) 7 in Home Security Door & Window Sensors |
| Brand | SONOFF |
| Colour | White |
| Compatible Devices | SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, Echo Plus 2nd |
| Compatible devices | SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, Echo Plus 2nd |
| Control Method | App |
| Country of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 658 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| External Testing Certification | CE |
| Global Trade Identification Number | 06920075740646 |
| Included Components | SNZB-04P |
| Item Type Name | SNZB-04P |
| Item Weight | 34.6 Grams |
| Manufacturer | SONOFF |
| Maximum Range | 3 Metres |
| Model Number | SNZB-04P |
| Mounting Type | Wall Mount |
| Number of Batteries | 1 Lithium Metal batteries required. (included) |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of batteries | 1 Lithium Metal batteries required. (included) |
| Part Number | SNZB-04P |
| Power source | Battery Powered |
| Sensor Technology | Contact Sensor |
| Voltage | 3 Volts |
| Wattage | 3 watts |
G**H
good door sensor
very easy to fit to my door and hooked up to the zigbee network no problems, haven't had any dropouts and battery still going very strong
P**O
Excellent door and window sensor with tamper alarm too
This door and window sensor is great, it joined my zigbee network instantly and works through my home assistant. I really like the included tamper (vibration) sensor too so you can set it to notify you if someone or something is fiddling with it. Battery life is excellent with it being zigbee, I have had it a month now and its only down by 1% Ill get a few more of these I think.
K**T
Excellent
Happy with this purchase so far. I sticked it on the bathroom door and it triggers the dehumidifier and the air con as I have no natural ventilation in the bathroom. The Zigbee bridge that I'm using is an AEOTEC USB stick connected to my Raspberry Pi5 server with Home Assistant. I had no issues at all with connectivity - the device was discovered instantly by my network. Good sensitivity, very nice quality of plastics used for making the product and feels durable. Baterry life looks fantastic - after a month of use the battery is still 100%. I hope it will stay like that. Good value for money, and overall a pleasure to use Sonoff products.
F**M
Connectivity can be difficult to perfect
Initially very poor connectivity on a couple of sensors ( a temperature sensor and a door opened sensor), with one needing regular restarts. After a lot of fiddling with repeaters in the same room as the sensors, the temperature sensor is working fine with no drop outs. However whatever I try, the door opened sensor still regularly drops out for an hour or so, and then reconnects. At least it does not need restarting. Now all my 6 temperature sensors are working flawlessly, after very attentive support from the seller, I am upping my review to 4 stars. I guess batery powered zigbee devices are very sensitive to the zigbee signal and this may not just be a Sonoff issue.
M**N
It just woooorks... ;)
Works great with home assistant, easy to install, bigger than cheap chinese stuff but better battery
R**N
Great device
My prime reason for choosing this device was cost. The zwave equivalent switches are typically at least twice the price. This device paired first time to my fibaro home center 3. One important point, the door and frame I'm using it on are not flush. The door surface sits about 20mm away from the frame but despite this the switch works perfectly.
T**H
Great Sensor
Great contact sensor, have it set up on downstairs toilet door to toggle lights on/off. Connects to HA without issue like most SONOFF products, and full installation took around 2 minutes. Had doubts as some reviews mentions the size been big, but once installed it doesn't seem big at all.
M**N
Poor Translation of instructions
Instructions poorly written and requires ANOTHER App download
E**L
Hizli algilama..
Dış kapıya taktım. Home assistant ile zha modeda bagladim. Kapi acildiginda kameram kapiya dönüp kayıt başlatıyor, kapandiginda kameram kaydi bitirip onceki yerine dönüyor. Bu sekilde kullaniyorum :) milisaniyelik algilamayla mukemmel işlevsel.
J**Y
Preiswerte Smart-Home Austattung | ! Fritz SmartGateway kompatibel !
Ich habe mir 2 dieser Sensoren gekauft um diese in mein Smart Home System von FritzBox einzupflegen und für meine Heizkröperthermostate als Fenstersensoren zu kalibrieren. In meinem SetUp habe ich die FritzSmart Thermostate 302 und 301 verbaut. Eine DSL FritzBox und auch ein Fritz Smart Gateway. Da diese Sensoren ZigBee unterstützen was ich über das Fritz Smart Gateway kalibrieren kann was es super einfach alles eingerichtet. Den Sensor aktiviert, das Smart Gateway in den Kopplungsmodus und schon hat die FritzBox das ZigBee Gerät als Fenstersensor erkannt. Anschließend musste ich den Sensor nur noch dem jeweiligem Thermostat zuweisen und schon hat das System funktioniert. --- Für diejenigen die ein SmartHome System über die FritzBox laufen lassen wollen und dazu auch ein SmartGateway von Fritz haben, kann ich diese Sonoff Sensoren absolut empfehlen. Funktionieren zuverlässig und sind bei weitem günstiger als die Sensoren von Fritz direkt.
F**.
Buen producto y buen precio
Cumple perfectamente su función por un precio muy razonable.
X**S
Eccezionale! Reattività fulminea e configurazione semplicissima.
Ho acquistato il SONOFF SNZB-04P per monitorare la porta d'ingresso di casa e devo dire che sono rimasto davvero colpito. La qualità costruttiva è ottima, ma è la performance operativa a fare la differenza. Perché lo consiglio: La caratteristica principale che salta subito all'occhio è la reattività istantanea: non appena il sensore magnetico si separa (o si chiude), il segnale viene inviato immediatamente al gateway. Non c'è alcun ritardo percepibile tra l'apertura della porta/finestra e l'invio della notifica o l'attivazione della scena domotica impostata. Funziona davvero benissimo, è fluido e affidabile al 100%. Le funzioni principali che ho apprezzato: Rilevamento apertura/chiusura: Preciso e ultra-rapido. Protocollo Zigbee 3.0: Si connette stabilmente alla rete mesh Zigbee, migliorando la portata del segnale. Monitoraggio batteria: L'app fornisce dati chiari sullo stato di carica, permettendo di non farsi mai trovare impreparati. Storico eventi: Molto comodo per controllare quando e quante volte è avvenuto un accesso durante la giornata. Design compatto: È discreto e si adatta bene a qualsiasi infisso senza risultare ingombrante. Installazione versatile: Grazie all'adesivo 3M incluso, si monta in un secondo su qualsiasi superficie. In conclusione, se cercate un sensore di contatto che non perda un colpo e che risponda ai comandi in tempo reale, il SONOFF SNZB-04P è la scelta migliore che possiate fare. Rapporto qualità-prezzo imbattibile. Prodotto promosso a pieni voti!
R**K
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