Complete description:

This camera is perfect for portable surveillance applications. The rugged aluminum construction adds durability to this camera which will last for years to come. Camera has a built-in rechargeable lithium-ion battery which provides up to 2 hours of power. Dual-channel selection switch allows you to use two of these cameras with a single receiver. Features Transmission/Receiving Frequency: 2.4GHz (2,400MHZ) Transmission Power: TX2400 50mW Valid Distance: 30-50m Horizontal Definition: 420 Lines Frequency System: NTSC Power Supply：Receiver: DC 12V/500mA Camera: DC5V/500mA Includes 2.4GHz Egg Style Camera 2.4GHz Receiver 12V/500mA Power Adapter (Receiver) 5V/500mA Power Adapter (Camera) 3' A/V Cable Instruction Manual