•The product is used for monitoring different rooms in the home. If a young child or an elderly person is alone in a room,people in other rooms can watch over the people in that room and find out the situation in time •The display has a built-in lithium battery that can work continuously for about 8 hours and can be connected to work for more than 22 hours with the power-saving mode on •The camera is powered by the external power supply to ensure safety and long time monitoring Specifications: •Product Model: SM43C •Clarity: 640*480P •Transmission mode: wireless point-to-point transmission (short-range transmission) •Transmission distance: about 150 meters of sight distance •Intercom mode: two-way intercom •Music: built-in music,volume can be adjusted •Screen size: 4.3-inch high-definition LCD display •Detection mode: voice-activated power-saving mode •Battery: built-in lithium battery 2100mAh (display only) •Monitoring: indoor temperature display •Function: Horizontal rotation 355° vertical 120° •Night vision: infrared night vision of about 5 meters Package included: •1 x Monitor •1 x Camera •2 x Power Cable •1 x English Manual •1Set x Screws