Product Features: Safe and reliable: This CAM uses high thermal conductivity silicone inside, and the aluminum alloy shell is sealed to achieve a stronger heat dissipation effect. Ease of response: This CAM is sealed inside, so its waterproof and dustproof performance is very good, the protection level is up to IP67, it can easily cope with all kinds of rain and snow weather and harsh environments, and it can be used normally when immersed in fresh water for more than 30 minutes. Notes: (1) Seawater is very corrosive, this CAM is not recommended for seawater environment, once it falls into seawater, please use fresh water to clean immediately. (2) Please supply power in strict accordance with the voltage range given by the official, otherwise the equipment may be burned. (4) When CAM works, the surface will generate high temperature, please do not touch it directly to avoid burns. (5) Please pay attention to preventing static electricity during transportation and use. Package List 1 x CAM 1 x spare cable 8 x Screws 1 x sticker 1 x Instruction manual