Usage Tips:Specifications: The voltage stabilizer is made of ABS, which is lightweight. It features waterproof, durable and lightweight. With the simple structure, it is easy to operate. Item Name: Voltage Regulator Material: ABS Model: C121202 Input Voltage: 12V (8V-40V) Output Voltage: 12Vandplusmn 0.25V Output Power: 24W Output Current: 2A Conversion Efficiency: andge 96 percent Waterproof Level: IP67 Working Temperature: -20-80 Degree Celsius Features: Waterproof, Durable, Easy to Operate Installation Cable Length: 13cm/5.12" Size: 75mm x 40mm x 22m/2.95" x 1.57" x 0.87" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Voltage Regulator