Specification: Brand new Cable Length: approx. 12in/30cm Rated Input Current: 5.9A Working Voltage: 16.9V DC Rated Power: under 70W Working Temperature: -40 to 50 Storage Temperature: -50 to 80 Black Wire: Negative Pole; Red wire: Positive Pole Feature: This strobe/flash feature alert the vehicle behind you to prevent any rear-end collision. Compatible with all types of brake lights including LED clusters, as such: cars, motorcycles, tanks, armored vehicles, electric bicycles and etc. Generally speaking, the lights will flash constantly. When TWO lights are connected at the same time, they will flash in turn. Suitable for all 16.9V brands and models. IP65 waterproof, short circuit protection. Fine workmanship and good performance. Easy to install and use. Long service life. Package Included: 1pc x LED Brake Stop Light Flasher Module Controller Note: Please allow 1-2cm size errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.