http://www.hk-aoli.com/goods.php?id=209

Highlights

Long Working Time: It has 7 days of stand-by time and 4 hours of working time.

Power Supply: 24 hours Non-stop.

Super-sensitive audio surveillance.

Insert a GSM SIM card into the slot and put the audio bug at hidden place,then dial the card number to monitor your target,you will hear the sound arround the bug.(5-15m range)

• Insert a GSM SIM card into the slot and put the audio bug at hidden place,then dial the card number to monitor your target,you will hear the sound arround the bug.(5-15m range)

Features:

• Super-sensitive audio surveillance.
• Embed four condense microphone.
• 24 hours non-stop power supply.
• All GSM SIM card compatible.
• Specification:
• Frequency:900, 1800, 1900
• Power Supply:24 hours Non-stop
• Card Compatible:GSM / SIM
• Microphone Range (Meter):5~7(Radius), 4 levels
• Receive Sensitivity:-+10K
• Working Temp:-40~50'C
• Responding Frequency:1.2K~800Khz
• Stand-by Time:7 days
• Working Time:4 hours

Accessories:

• 1 x GSM SIM Audio Surveillance Device
• 1 x Charger
• 1 x USB Cable

How to use it

• Insert the sim card to the slot, a red light flashes for one second, it means the device is ready, put the device in a hidden place which you want to monitor the surroundings,   just dial the sim card no.,  you can monitor the voice around 5-15m