【High-resolution 3.5-inch LCD screen】 The 3.5-inch LCD screen with 640x480 resolution displays a super-clear image in real time with video and audio. The 2.4 GHz wireless technology prevents signal interruptions. The viewing angle is adjustable and installation is easy. 【Night vision function】 The night vision function (effective range: 5 m) starts automatically in low light and provides clear video even in dark rooms. 【Built-in microphones and speakers】 Both the receiver and the camera have built-in microphones and speakers. You can hear your baby and your baby can hear your voice in super clear sound quality. Includes 3 minutes of chord music to help parents get their babies to sleep faster . 【Long transmission range and temperature monitoring】 The transmission range in open space is up to 200 m. The built-in lithium battery can be used while charging, reducing the hassle of changing batteries. Temperature monitoring helps you monitor your baby's room temperature and alerts you with a beep when the temperature is too high. Adjustable brightness and energy-saving function. Specification: Product weight: 460g Screen size: 3.5 inches Package includes: 1*receiver 1*camera 2*power adapter 1*user manual 3.5-inch LCD screen with 640x480 resolution, adjustable viewing angle. Automatic night vision function up to 5 m for clear videos even in the dark. Integrated microphones and speakers, 3 minutes of chord music to lull your child to sleep. Transmission range up to 200 m, built-in lithium battery, can also be used while charging. Temperature monitoring with alarm in case of overheating, adjustable brightness and energy-saving function.