Transmission frequency:315/433 ±0.5 MHz
Work voltage: AC 220V ±10% DC 9V
Static state current: ≤9mA
Work environment: temperature:-20 ¡«55¡æ
Relative humidity : ≤90£¥
Technology parameter:
Transmission distance: 80 meters without any blocks.
Wecome to use our wireless keyboard, it can be compatible with all of alarm systems. This can arm, disarm and emergency alarm after inputting the password.
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