Features:
1) AC 90-260V, 50/60Hz
2) Launching power: ≤20mW
3) Receiving frequency: 47.0-47.5MHz
4) Receiving sensitivity: S/N=29dB<10uV
5) Interfere: ≥50dB
6) Working channel: 1 - 20ch (reset)
7) launching power: 7le;100mW
8) Working channel: 1 - 4ch
9) Unlock voltage: +12V
10) Unlock time: 0.1 - 0.5 seconds (can be reset)
11) Max. unlock current: 3A
12) Min. illumination: 0.1lux
13) Talking time: 10 - 180 seconds (can be reset)
14) Working temperature: -10 ~ +55°C
15) Contrast humidity: 10 - 90%
16) Atmosphere pressure: 86 - 106Pa
17) Surrounding noise: ≥60dB(A)
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