1、Suitable for using new bidirectional high power thyristor 2、Generally used for heat adjustment of water heater, dimming of lamps, small motor speed regulation and electric iron temperature adjustment, etc. 3、Available for large appliances with electric power less than 2000 watts 4、Standard workmanship and it can provide stable performance. 5、Great workmanship, easy to install and remove Features: 1. Suitable for using new bidirectional high power thyristor 2. Generally used for heat adjustment of water heater, dimming of lamps, small motor speed regulation and electric iron temperature adjustment, etc. 3. Available for large appliances with electric power less than 2000 watts 4. Standard workmanship and it can provide stable performance. 5. Great workmanship, easy to install and remove   Specification: Condition: 100% Brand new Item Type: Motor Speed Control Module Input Voltage: AC 110-220V Maximum Power: 2000W Voltage Output Range: AC 50-220V Operating temperature: -20-40℃ Specifications: High temperature resistant FR-4 circuit board Outer Size: Approx. 48 x 60 x 28mm / 1.9 x 2.4 x 1.1in Control silicon withstand voltage up to 1200V / Current 25A 1.6mm thick epoxy copper clad laminate   Package List: 2 x Motor Speed Control Modules