Bright illumination: The Maichis RV ceiling light provides 250 lumens of bright, nature white light to illuminate any indoor space. Running on just 12V, the 3W LED panel draws very little power but outputs plenty of light for its compact size. Surface mounted installation: Size: Dia 9-5/8'' X Height 3-9/16'' X Base Dia 4-6/8’’. Wiring: black wire to positive and white wire to negative. Easy to install with Only 2 Screws (Included). Built-in LED: The light features integrated, non-replaceable LED lights for long-lasting and energy-efficient illumination. Built-in On/Off Switch: With built-in switch, this ceiling light fixture is easy to control, no need extra switch. One Year Warranty GUARANTEE: if there is any quality problem of our light or you are not happy with our product and service, please kindly contact us The Maichis RV ceiling light provides 250 lumens of bright, nature white light to illuminate any indoor space. Running on just 12V, the 3W LED panel draws very little power but outputs plenty of light for its compact size. Size: Dia 9-5/8'' X Height 3-9/16'' X Base Dia 4-6/8’’. With built-in switch, this ceiling light fixture is easy to control.