ITEM NAME:12V 24V 30V 120W PWM Adjustable Volt DC Motor Speed Controller CCM2 F2W7 12V 24V 30V 120W PWM Adjustable Volt DC Motor Speed Controller CCM2 F2W7 G1V1 Product Name: DC Motor Speed Control Switch Model: CCM2; Power: 120W; Modulation Type: PWM Voltage: DC 12V 24V 30V; Resistance: 10k Size: 74 * 47 * 28mm (L*W*H) Wire Length : 20cm Package Content: 1 x DC Motor Speed Control Switch Material: Metal, Aluminum, PCB Color: as shown Net Weight: 67g Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.