Feature: 1. Adopts aluminum-based lamp board, which has good heat dissipation effect. 2. Constant current drive power supply design, has high efficiency and stability. 3. Has wide range of DC12‑24V input voltage, regardless of polarity. 4. This light source uses 42pcs LEDs and imported 2835 chip, which has long service life and high brightness. 5. Widely used in home, office, hotel, shopping malls and other solar, wind power generation system supporting lighting, as well as battery emergency, marine, vehicle, cabinet low-voltage lighting, etc. Specification: Item Type: Ceiling light Material: ABS Housing Color: White Diameter: Approx.220mm/8.66inThickness: Approx.39mm/1.54in Input Voltage: DC12-24V Power: 9W Number of LEDs: 42pcs Imported Chips 2835 Luminous Flux: 840Lm Application: Widely used in home, office, hotel, shopping malls and other solar, wind power generation system supporting lighting, as well as battery emergency, marine, vehicle, cabinet low-voltage lighting, etc.. Package List: 1 x Ceiling Light3 x Mounting Screw3 x Screw Sleeve