1. Small design, easy to carry; 2. Two-way intercom; 3. Temperature monitoring; 4. The camera has built-in music; 5. Automatic night vision; 6. Digital signal transmission, stable and without interference; 7. High-contrast 2" color LCD display; 8. Long battery life (up to 8 hours in voice-activated mode). Receiver: LCD size: 2.0" Supported resolution: 220176 Receiving sensitivity: -90dBm work Current Consumption (Max): 150mA Battery: Lithium Polymer/400mAh Power supply: 5V/500mA DC Dimensions (W x H x D): 63mm x 126 x 27mm Weight: 0.08 kg Camera: Image sensor: CMOS Total image pixels: 320240pxl Minimum illumination: 0 Lux (when the infrared light is turned on) Night vision distance: 15 feet (5 meters) Viewing angle: diagonal 31 Power supply: 5V/500mA DC Dimensions (WxHxD): 60mm x 102mm x 60mm Weight: 0.06 kg