Supported countries: China Britain France Germany Netherlands Italy Spain Brazil Portugal Denmark Russia Poland Greece Turkey Hungary Thailand Indonesia Malaysia Vietnam Iraq Saudi Arabia. Size: 4.8 x 2.0 x 1.4 cm. InputAC110-220V50/60Hz. utputDC5.0V 300-500mA. 3.7V 400mAh Li-ion battery. Seven days stand by time. Can continue talk 150-180 minutes. Network type:GSM/GPRS. Storage temperature: -40~+85 degree celsius. Working temperature: -20~+55 degree celsius. Working humidity: 5%-95%. Product features: positioning monitoring rebound rebound and take photos video recording sound callback