Mini Clock GSM Listening Devices for Home Use

Clock GSM Listening Devices with voice recorder
1, Build in GSM Listening devices quad band
2, Support TF Card for voice recorder.
3, Control by your phone
4, Voice Trigger

How to use
1, Open back cover, insert SIM card and TF card correctly;
2. Press button"ON/OFF" for 3 seconds to turn it on;
3. Audio monitor: Use another mobile phone to call this SIM card, then you can hear the sound around it.
4. Audio record: Use phone send text "333" to this device to start audio recording; Send text "444" to it to stop recording. The audio file will be saved into TF card.
5, Sound control call back:
Sent message"777" to the sim card, when the level of sound around the product exceeds 60db, the user will receive a replay containing the information of anyone entered!
Sent message"888" to the sim card, when the level of sound around the product exceeds 60db, the user will receive a returning call.
6, interesting features tracker,
Sent message "DWEN" to the sim card, you will receiver the devices position