Color: Black (As pictures show)

Operating frequency: 850, 900, 1800, 1900MHz
Sensitivity range: 5 - 8 m (16-26ft)
Working current: ＜10 mA
Standby current: ＜0.05 mA
Power usage: 5 – 7 days under using, 15 – 20 days for standby
Item size: 4.5* 3.0* 1.4cm
Input:100-240V 50/60Hz 0.1A
Output: 5.0V 500mA