1. RF 4 key controller; 2. DC12~24V, 3*4A,144W; 3. 11 modes in total,Speed is adjustable; 4. CE ROHS ... Product Description:4-key RF controller adopts the advanced micro control unit, it ... are professional Shenzhen based LED controller factory, specialized in LED RGB controller, LED single color controller, LED touch controller, LED DMX512 master, LED ...