Item Type: LED driver_x000D_ Material: ABS_x000D_ Weight: Approx. 47g / 1.7oz_x000D_ Product Size: Approx. 8.2x3x2cm / 3.2x1.2x0.8in_x000D_ Model: 18-25X1W_x000D_ Input Voltage: AC85-265V_x000D_ Frequency: 50/60HZ_x000D_ Output Voltage: 54-87VDC_x000D_ Output Current: 300mA_x000D_ Scope of application: DIY can be connected to 18-25 1W lamp beads 1Using Condition: LED driver input AC85?265V 50/60Hz, output current 300mA (constant) voltage 54?87VDC, 18?25 1W lamp beads can be connected. 2Unique Design: The Lighting driver is small in size, easy to hide, and does not affect the overall decoration aesthetics. 3Product 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. 4Easy 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. 5Good 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.Do not measure voltage under no load.1 x LED driver