... adsorbed in the hidden place of car.Compact size, and smaller than a name card, ... provided.2 Chargeable Changeable 3.7V 800mAh Li-ion batteries included.Extremly long stadby time, up ... Battery: Chargeable Changeable 3.7V 800mAh Li-ion battery (2 batteries included)Standby Time: 48 hoursColor: BlackStorage ... Pets,2 * Chargeable Changeable 3.7V 800mAh Li-ion batteries,1 * Power adapter,1 * Battery charger ...