1) led advertising display sign 12V; 2) Waterproof ; 3) External size: 38*38mm; 4) DC12V / 36mA / ... White, Yellow Led module Technique Parameters: Led module Function & Features1, The fight against, anti-designate high-performance materials, fully waterproof packaging, casing ... efficient, major reduction in power costs; 2) Low heat, high brightness and light efficiency; 3) Environment friendly, no RF ...