12V RV Reading Light Led Interior NOTICE If the input voltage is LOW or the input voltage is unstable, the lamp may FLICKER, please ensure that the lamp can be used in the correct environment WITH USB INTERFACE Attention: This light is designed for 12volt DC uses, like RVs. For other applications, like home, please get professional electrical instructions for wiring. Wiring: red wire for positive and black wire for negative/ground. LIGHTEU Wall mount LED Reading Light A2 A modern light especially designed for caravans, motorhomes and boats, acting as Reading Light, Map Light, Chart Light and Indicator, Task Light, etc. Equipped advanced LEDs, 12V reading lights are efficient illumination at low power consumption at 3 watts for warm white light, equivalent to a 20W bulb with 210 lumens, and 0.07 watts for beautiful blue night light. By simply touching the touch dimmer switch you can increase the light intensity steplessly. To fit a moving environment (vehicles), the light is vibration-proof by solid holder and mature workmanship. touch switch and touch dimmer warm white 3W LED (210 lm) and blue night light 0.07W light temperature 3000K very low power consumption: stand by - 5mA, blue - 18mA, white - 250mA power supply 10-14V DC 30 000+ hours life See the video :https://images-eu.ssl-images-.com/images/I/A1040C4%2Bk3S.mp4