DDLC Hidden Voice Recorder,Live Listening, Spy Voice Recorder, Remote Call Back. NA Voice Recorder  (0 inch Display)

DDLC :- Specifications: Connection: GSM/GPRS GSM Frequency:850/900/1800/1900 MHz Charger Input:AC110-220V 50/60 Hz Charger Output:DC5.0V 500mA Battery: Rechargeable battery 3.7V 500mA Li-ion battery Instructions: 1. Power on: open the back cover, put the SIM card into the seats, then it is automatically power on. When booting, indicator will light for 10 seconds, after the indicator is off, cover the back cover then it can be used. 2. Sound control dialing: use mobile phones or fixed-line to get through SIM card number in the alarm, hang up the machine when hearing the sound of the machine for about 3 seconds, and that means it sets up successfully. When there is a sound above 45 DB within 10 meters around the alarm, the machine will automatically make call to the number which you set before. 3. Send 0000 SMS to turn off sound control function. Send 1111 SMS to turn on sound control function. 4. LBS positioning: please directly edit capital let" SMS to the alarm in China, and abroad please edit capital letters "GPS "to the alarm, The alarm will revert a message including the information about addresses/longitude and latitude/web site content in a minute. 5. SOS Emergency call: Edit the content of messages capital letters "SOS" to alarm, directly press the key SOS for above three seconds after the success of setting, the alarm will directly call the setting number. And the indicator will flash. Note: 1. Product should be fully charged before use. 2. Install the product where the GSM network signal is strong. 3. In case the light is out, please charge it. 4. If the call cannot get through, restart the product or charge it. 5. Without automatic answering, restart the product. 6. Without message replying, please check if the SIM card is in arrearage or the SMS is full, empty it and try again.