1. Adopts passive infrared detection technology.
2. Detection distance of the PIR motion sensor is up to 5 meters.
3. Detection angle of the PIR motion sensor is 120 degrees fan-wise.
4. Built-in a high quality MP3 player with an on-board 16Mbytes flash memory.
5. Built-in a class D 10Watts amplifier and the sound quality is great.
6. Load single MP3 file or multiple MP3 files onto the player on PC through USB connection.
7. Optional to play a sound in order or in random after each activation when multiple files available.
8. Sound volume is adjustable through turning the small blue potentiometer at the back of the device.
9. 9-24V DC power supply to this player. An AC-DC power adapter comes with the player.
10. Two clamps attached with the player and easy to install on the ceiling.
1. Working Voltage: 9-24V DC
2. Working Current: ≤ 500mA(12V DC)
3. Standby Current: ≤ 10mA
4. Audio Format: MP3 (Bit rate: 8-192Kbps)
5. Audio Output Power: ≤ 10Watts
6. Detection Range: ≤ 5 m (120 ° angle)
Note: The diameter of the hole for mounting on the ceiling is 155mm.