... housing design with rubber paintingSpecification Wireless transmission frequency 2.4G digital(good encryption) Voltage 6v/800mA ... digital LCD screen Working temperature 0-35 Battery specification 3.7v,1350mAh Package Contents: 1 x 2.4G wireless digital receiver, 1 x 2.4Gwireless digital ... camera, 1 x Neck strap, 2 x Power adapters ...