Heiman Window Door Alarm vs Sonoff SNZB-04P ZigBee Door/Window Sensor

Updated August 2026

Data from Amazon and official Heiman and Sonoff sites.

2026 verdict

In 2026, the recommendation leans toward Sonoff SNZB-04P ZigBee Door/Window Sensor over Heiman Window Door Alarm, driven by price, battery life, and integrations.

Winner

Sonoff SNZB-04P ZigBee Door/Window Sensor

$18.99

Buy on Amazon USA

It builds its lead on price, battery life, and integrations, then backs it up with a stronger showing on alerts. Heiman Window Door Alarm is the better fit only for buyers who prioritize rating above everything else here. That is why Sonoff SNZB-04P ZigBee Door/Window Sensor wins the verdict here.

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Feature	Heiman Window Door Alarm	Sonoff SNZB-04P ZigBee Door/Window Sensor	Winner
Price	$19.98	$18.99	Sonoff SNZB-04P ZigBee Door/Window Sensor
Rating	4.0	3.9	Heiman Window Door Alarm
Battery Life	2 years	5 years	Sonoff SNZB-04P ZigBee Door/Window Sensor
Integrations	Google Home, Alexa	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Sonoff SNZB-04P ZigBee Door/Window Sensor
Alerts	Door & Window Open/Close Alerts	Door & Window Open/Close Alerts, Tamper Alerts, Low Battery Alerts	Sonoff SNZB-04P ZigBee Door/Window Sensor
Weather Resistance	NO	NO	Tie
Connectivity	2.4 GHz WiFi	Zigbee	Tie
Sensors	Door & Window Open/Close	Door & Window Open/Close	Tie

Heiman

Heiman Window Door Alarm

$19.98

Buy on Amazon USA

+ Rating: 4.0
- Price: $19.98 vs $18.99
- Battery Life: 2 years vs 5 years

Winner

Sonoff

Sonoff SNZB-04P ZigBee Door/Window Sensor

$18.99

Buy on Amazon USA

+ Price: $18.99
+ Battery Life: 5 years
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- Rating: 3.9 vs 4.0

Frequently Asked Questions

Which is better overall: Heiman Window Door Alarm or Sonoff SNZB-04P ZigBee Door/Window Sensor?

Sonoff SNZB-04P ZigBee Door/Window Sensor has the stronger overall profile in this comparison, especially for price, battery life, and integrations.

What is the biggest difference between Heiman Window Door Alarm and Sonoff SNZB-04P ZigBee Door/Window Sensor?

Price is one of the clearest differences: Heiman Window Door Alarm lists $19.98, while Sonoff SNZB-04P ZigBee Door/Window Sensor lists $18.99.

Which one looks better on price?

Heiman Window Door Alarm is listed at $19.98, while Sonoff SNZB-04P ZigBee Door/Window Sensor is listed at $18.99. Sonoff SNZB-04P ZigBee Door/Window Sensor (better spec).

Who should buy Heiman Window Door Alarm?

Choose Heiman Window Door Alarm if your priority is rating and that matters more than price.

Who should buy Sonoff SNZB-04P ZigBee Door/Window Sensor?

Choose Sonoff SNZB-04P ZigBee Door/Window Sensor if your priority is price and battery life and that matters more than rating.

Full comparison table

Compare all 27 Door & Window Sensors side by side

You are looking at two of them. The full table lines up all Door & Window Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.