Specifications: It has compact aluminium shell with epoxy potting, which is waterproof, anti-dust, anti-shock and has better heat dissipation. Assembled with smart chip, it features over-current, over-load, low-load, short-circuit, over-heat intelligent protection. It is suitable for car alarms, radio, intercom, electric motors, audio, navigation, surveillance, LED car display, air conditioning, and industrial electrical equipment, etc. Item Name: Power Converter Material: ABS Inverter Efficiency: 96% Input Voltage: 36V/48V (20V-60V) Output Voltage: 12V±0.25V Output Current: 10A, 15A, 20A Output Power: 120W, 180W, 240W Conversion Efficiency: 96% Protection Level: IP67 Working Temperature: -20 Degree Celsius - 80 Degree Celsius Product Models: 10A: JDL481210, 15A: JDL481215, 20A: JDL481220 Features: Convenient, Step-down Module, Durable, Easy to Use Installation Line Length: 13cm/5.12" (Approx.) Size: 7.4cm x 7.4cm x 3.2cm/2.91" x 2.91" x 1.26" (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 Power Converter