Specifications:
-Mode: HY929 
-The consuption current: 10Ma 10mA
-Battery: lithium battery 3.7V
-The probe sensitivity:-70Ddb
-The highest audio maginification: 20000 times 20000X
-Penetration: cement pipe/tube
-Answer: Headest external 16 ohm speaker
-Charging time: about 5hours
 

Note:
1. Please put the power off when you do not use it, so as not to damage the machine.
2. Probe is precision parts, so please do not disassemble.

Attentions:
Works on wooden walls, doors, windows, steel plates, etc. Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds. This product is being sold as an investigative tools for law enforcement or licensed investigators. Anyone else ordering this device should only be ordering it as a simple toy since MANY COUNTRIES STRICTLY PROHIBIT OWNERSHIP OF bug DEVICES

Package included:
1 x Wall microphone voice bug
1 x earphone 
1 x charge cable
1 x charger adapter (default is US PIN)
1 x Audio cable with probe
1 x Sonde
1 x User manual