1. 300mm diameter 2. Color:red +green+Yellow 3. Work voltage: AC 40~280V 50~60Hz 4. CE certification 5. Warranty: 2years Features: 1. Ultra-thin design, weight light, new structure, beautiful appearance.2. Multiple seal, waterproof, dustproof, resistant to vibration, low power consumption, long service life.3. Core circuit by single chip microcomputer control. The hardware and software anti- ...