Attention: Welcome to my shop! We ship the product from China, the delivery time is 7-14 days! 2.4GHz wireless transmission*Outdoor distance up to 200 meters* 5-inch display screen, camera with shaking head function, 120 degrees up and down, 355 degrees left and right* Two-way intercom* Invisible light night vision function* Temperature display / built-in probe* Temperature alarm* One-to-four function (one receiver can be connected to four transmitters)* Image zoom in and out* Image digital panning* Multiple transmitter image preview function* Power saving mode (voice activated)* Cui Mian song playback* Adjustable volume and brightness* No signal alarm* Low battery alarm*Large capacity lithium battery 4000mAH1x receiver* 1x transmitter* 2x Power Adapter* 1x Instruction Manual* 1x Wall Mounting Screw* 1x screw plug *