Widely used for household monitoring, children, pets, cars, etc.
GSM Frequency: 850/900/1800/1900Mhz
Charger Standard: 5.0V500mA土25mA
Charge input: Input AC 110-220V 50/60Hz
Charge output:Output DC5.0V 500mA
Battery: Chargeable 3.7V 500mAh Li-ion battery
Humidity: 5%-95% non-condensing
Storage temperature: -40℃to +80℃
Working temperature: -20℃to +55℃
Dimension:43.2*32*13.6mm/1.2*0.9*0.4 inch (L*W*H)
How does it work:
Your surveillance operation will be underway in 4 simple steps:
1. Insert a mobile phone SIM card in the device 2. Conceal the device where it can't be seen 3. Dial the pay as you go number from your phone 4. Listen - now you can hear what they are really talking about.