Features: Two levels of volume, small or maximum.
Human body induction, induction range up to 4 meters.
Power-off memory function.
Audio content can be replaced by yourself.
Three AAA batteries or USB power for power supply.
Built in 8Ω1 watt speaker.
Specification:
Power supply: USB power
Detection range:within 4m
Power: DC3V~5V
Volume: 90db
Working current: less than 130mA
Standby: less than 100m
Update from 27th,Aug. 2019
SD Slot is nonfunction.
Package Includes:
1 x PIR Motion Sensor
Details Pictures:
