Generic 24A LED Remote Control Controller 44Keys Brightness Adjustable for LED Strip 44 Keys Control Brightness Adjust Aluminium Alloy Controller for 5050 3528SMD RGB LED Strip Light Input: DC12-24V(never connect to AC110V 0r AC220V) Remote controller battery: 1 x CR2025 (NOT Included) Remote controller dimension: 4.91"(L) x 2.18"(W) x 0.279"(H)