1、Digital RF modulation with frequency hopping, night vision effective range of 5 meters. 2、Dynamically select clean channels to avoid interference from other 2.4GHz devices. 3、Real-time display in baby cameras and LCD monitors with temperature detection. 4、Support music player, play sleep music, help your baby fall asleep. 5、Privacy protection, support for user ID recognition, does not support Trans-Flash card. Features: Digital RF modulation with frequency hopping, night vision effective range of 5 meters. Dynamically select clean channels to avoid interference from other 2.4GHz devices. Real-time display in baby cameras and LCD monitors with temperature detection. Support music player, play sleep music, help your baby fall asleep. Privacy protection, support for user ID recognition, does not support Trans-Flash card. High resolution 7 inch LCD 720p HD display. Two-way transmission and support for data encryption. The camera has a built-in microphone and a built-in speaker for the receiver. Built-in 1800mAh lithium battery with receiver and camera. It can reach a transmission range of 300 m / 990 ft in open space. Specifications: Condition: Brand New Material: ABS Color: White Size: Approx. 36 x 18.5 x 7.8 cm / 14.2 x 7.3 x 3.1 in Monitor: Size: 7 inch LCD TFT Frequency: 2.4 GHz digital RF modulation Sensitivity: ≤-85dBm Power: DC5V Built-in battery: 3.7V lithium battery Unblocked transmission distance: 300 meters Camera: Image sensor: 1/3" color CMOS image sensor Effective pixels: H: 1280 V: 720 Infrared night vision: 5m Horizontal definition: 380 TV line Minimum illumination: 0Lux (infrared LED on) / 5LUX (IROFF) Package List: 1 * Monitor 1 * Camera 2 * Power Supply 1 * Instruction manual