Features 1. The product support frequency GSM850/900/1800/1900 GPRS
2. Small size, strong signal, loud voice, accurate location, stable function, long standby time
3. Function: Alarm function, Voice recording, LBS location, Auto dial
4. Monitoring scope: 5-10 meters
5. Infrared angular range: 90-120 degrees
Notes 1. The new device need to be recharged 3-4 hours before use
2. Please inserted SIM card when charge device, SIM card should have phone bill when use it
Tips 1. Please make sure the device with full charge before use it
2. Charger standard: 5.0V 300-500MA, to avoid damage of host
3. If led light un-flash, it means device out of battery, please charge it before use
4. if can not dial, please re-insert sim card and reboot or re-charge device
5. If device can't auto answer the phone, please re-insert sim card
6. Warranty for 1 year, warranty don't include product been damaged by customer
How To Use 1. Insert SIM card into device (sim card size: 2.5*1.5cm)
2. Turn on device : press button on the top for 5 seconds, it means device on when red led light flash 2 times
3. Restore factory settings: send 4444 to sim card (Reply sms:Bind num is null)
4. Bind phone number: send SZ# phone number # to sim card (Reply sms: phone number binded ok)