Feature: 1. Using Condition: LED driver input AC85‑265V 50/60Hz, output current 300mA (constant) voltage 54‑87VDC, 18‑25 1W lamp beads can be connected. 2. Unique Design: The Lighting driver is small in size, easy to hide, and does not affect the overall decoration aesthetics. 3. Product Size: Length 8.2cm x Width 3cm x Height 2cm/Length 3.2in x Width 1.1in x Height 0.8in), manual measurement, slight error, subject to the actual product. 4. Easy To Install: Both the output and input are equipped with high quality cables without flicker and good insulation effect; it can be directly connected to the power supply and lamps without repurchasing cables, making DIY more convenient and simple. 5. Good Performance: Constant current power LED driver, with short circuit protection, can be used in most LED lightings products, it is noiseless in use, good heat dissipation, and effectively prolongs the service life of the lamp. Specification: Item Type: LED driver Material: ABS Weight: Approx. 47g / 1.7oz Product Size: Approx. 8.2x3x2cm / 3.2x1.2x0.8in Model: 18-25X1W Input Voltage: AC85-265V Frequency: 50/60HZ Output Voltage: 54-87VDC Output Current: 300mA Scope of application: DIY can be connected to 18-25 1W lamp beads. Package List: 1 x LED driver Note: Do not measure voltage under no load.