Product comparison · 2 sirens

Imou ZR1 Wireless siren Indoor White vs Trust ALSIR-2000 Wireless siren Red, Silver

Key differences

Product colour: White on the Imou ZR1 Wireless siren Indoor White, Red, Silver on the Trust ALSIR-2000 Wireless siren Red, Silver.

Product colour
- ZR1 Wireless siren Indoor White:White
- ALSIR-2000 Wireless siren Red, Silver:Red, Silver

Differences highlightedShow differences only

Comparison of ZR1, ALSIR-2000
18 specifications	A Imou ZR1 Wireless siren Indoor White Model ZR1 View product	B Trust ALSIR-2000 Wireless siren Red, Silver Model ALSIR-2000 View product
Features1 differ
Placement availableKnown for one	Indoor	Unknown — not stated by the source
Maximum operating distanceKnown for one	200 m	Unknown — not stated by the source
Sound pressure levelKnown for one	85 dB	Unknown — not stated by the source
Wi-Fi frequencyKnown for one	2.4 GHz	Unknown — not stated by the source
Product colourDiffers	White	Red, Silver
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Operating frequencyKnown for one	Unknown — not stated by the source	868 MHz
Light alarmKnown for one	Unknown — not stated by the source	Yes
Alarm decibelsKnown for one	Unknown — not stated by the source	100 dB
Poweridentical
Power sourceKnown for one	DC	Unknown — not stated by the source
Operating voltageKnown for one	12 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	-25 - 55 °C	Unknown — not stated by the source
Weight & dimensionsidentical
DiameterKnown for one	8 cm	Unknown — not stated by the source
HeightKnown for one	34 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Screws includedKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.