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Lowest price we've seen: $18.99 on Oct 31 at Amazon. Tracked across 2 stores since Oct 31.
Specifications: Network: ZigBee Radar: 24G(The 24G version has lower false positive rates and more accurate features.in more complex usage environments, it is recommended to use the 24G version.) Input: USB 5V Siren Alarm Volume: Max 120db Working temperature: -10℃~+55℃ Indicator Light: Red + Blue Indicator Light Detection Angle: 110° Detection Distance: 6m/19.69ft Illumination Value: 0~2000lux Please note: ZigBee Human Presence Sensor must be used with a ZigBee gateway! Otherwise it 't work! The appearance and color of different batches of products may be different, which not affect the use. Material: plastic colour: White Package Contents: 1 x Human Presence Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
