Being waterproof, dustproof, shockproof and anti-high-temperature, the screen has long service life. The display part adopts super high bright LED and the core circuit adopts the new type electrical erasable single chip. With the hardware's anti-jamming measure, the countdown screen runs safely. There is no need to get additional power. And it is easy to install in different environments.

Features:
1) Working voltage: AC220V  20%, 50Hz
3) Max. power consumption: < 50W
4) Each digit dimensions (H x W) (mm): 180 x 100
5) Digit: 2 digits (0 - 99)
6) Display mode: displays 3 kinds of color (red, yellow, green) while lights (red, yellow, green) are flashing