SM43C 4.3-inch Wireless Baby Monitor Two-Way Voice Camera with Indoor Temperature Test - EU Plug ?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