Dahua Technology Scout Siren vs Imou ZR1 Wireless siren Indoor White

Comparison of Scout Siren, ZR1

25 specifications	A Dahua Technology Scout SirenView product	B Imou ZR1 Wireless siren Indoor White Model ZR1 View product
Featuresidentical
Type	Wireless siren	Wireless siren
Placement available	Indoor	Indoor
Operating frequencyKnown for one	433 - 915 MHz	—Unknown — not stated by the source
Alarm decibelsKnown for one	85 dB	—Unknown — not stated by the source
Product colour	White	White
LED indicators	Yes	Yes
Maximum operating distanceKnown for one	—Unknown — not stated by the source	200 m
Sound pressure levelKnown for one	—Unknown — not stated by the source	85 dB
Wi-Fi frequencyKnown for one	—Unknown — not stated by the source	2.4 GHz
Poweridentical
Battery typeKnown for one	CR123A	—Unknown — not stated by the source
Number of batteries supportedKnown for one	4	—Unknown — not stated by the source
Battery lifeKnown for one	1.5 year(s)	—Unknown — not stated by the source
Power sourceKnown for one	—Unknown — not stated by the source	DC
Operating voltageKnown for one	—Unknown — not stated by the source	12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	-10 - 50 °C	-25 - 55 °C
Operating relative humidity (H-H)Known for one	0 - 95%	—Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	200 g	—Unknown — not stated by the source
DiameterKnown for one	—Unknown — not stated by the source	8 cm
HeightKnown for one	—Unknown — not stated by the source	34 mm
Batteryidentical
Battery technologyKnown for one	Lithium	—Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	98 x 55 x 26 mm	—Unknown — not stated by the source
Packaging contentidentical
Number of batteries includedKnown for one	1 pc(s)	—Unknown — not stated by the source
Quick start guide	Yes	Yes
AC adapter includedKnown for one	—Unknown — not stated by the source	Yes
Screws includedKnown for one	—Unknown — not stated by the source	Yes

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.