Frequency: 433.92MHz;
Transmission power: <10W;
Frequency deviation: ±20kHz;
Transmission current: 32mA;
Receive current: 18mA;
Static current: 10mA;
Alarm: 125dB;
Alarm power: 1.6W;
Voltage Rating: DC 12V;
Peak Power: 2 * 20W;
Working Temperature: 0'C~60'C;
Supporting Device: SD/MMC Card;
Supporting Format: MP3;
Remote Control Distance: 100m;
Alarm mode: Standard, silence;
Dual speaker, supports USB flash drive or SD card up to 32GB