Class IIIA laser product, FDA certificated, 2.0mW power output designed for indoors and outdoors - Never again go through the trouble of unwrapping and hanging individual strands of Christmas lights. Simply place Christmas Laser Light in the ground outside or on the floor inside and enjoy festive year-round energy-efficient lights that never need replacing. Various Patterns - Perfect for creating a festive atmosphere, this Laser Light projects both red stars and green Christmas trees onto any garden, exterior surface, or interior room. Broad Application - The laser lights can cover up to 2,100 square feet from a distance of 25 feet. It's perfect for Christmas and holiday entertainment, parties, landscape decoration, and anything else you can think of. Built-in Ambient light sensor and Timer Automatic function- On at dusk or off at dawn, the laser light turns off/on automatically depending on the light intensity. Also with Automatic Timers function, The laser light will turn off after 6H using and turn on again after 18H.
NOTE: Warm up the laser light by plugging the power adapter into the wall/power socket. The green light may be dim at first but will become more luminous as the laser light warms up. The warm up time needed will vary based on the surrounding temperature. If the temperature is zero (0ºC, 32ºF) or thereabout, warm up time will be about 3 minutes. The needed warm up time will increase to 15-20 minutes as the temperature falls to around -20ºC (-4ºF).