Programmable, gradual 24-hour light cycle setting simulates sunrise, midday, sunset, and night, hygger 957 light produces shimmering effect on fish and plants with auto on and off feature. Ideal for freshwater aquarium and planted tank. Default Mode & DIY Mode Default Mode Auto turn on at 6:30 am and auto off at 11:30 pm which can be altered preferred begin time and end timeDaylight: 100% full spectrum lightMoonlight: 100% blue light, light color can be altered to red/green/purple/cyan/yellowDaylight or moonlight can be turn off as needed DIY Mode There are 8 separate light stages you can set from L1 to L8, every stage allows you to set the light intensity, a start time and an end timeL1-L6 full spectrum light, l7-l8 blue lightDIY mode is unable to change light colorTo turn off the light set brightness "00" Previous page Next page 1 MOONLIGHT OPTION 2 10 Brightness 3 PREMIUM LED 4 WATERPROOF hygger Light Comparsion hygger 957 Light Buying Options hygger 978 Light Buying Options hygger 016 Light Buying Options hygger 075 light Add to Cart custom aquarium light Buying Options Customer Reviews 4.2 out of 5 stars 4,540 4.5 out of 5 stars 3,122 4.3 out of 5 stars 323 4.4 out of 5 stars 203 4.3 out of 5 stars 84 Price $28.04$28.04 $33.14$33.14 $84.99$84.99 $25.49$25.49 $42.49$42.49 Led Aquarium Light ✔ ✔ ✔ ✔ ✔ For Fish Tank 12-55 in 3-75 gallon 12-55 in 7-55 in 12-55 in Power 20W, 26W, 36W, 48W, 60W, 72W 14W, 18W, 22W, 26W, 36W, 42W 18W, 24W, 30W, 36W, 42W, 58W 12W,14W,20W,26W,32W,40W,48W 20W, 26W, 36W, 48W, 60W, 72W DIY Mode set light intensity, time set color intensity and timer set color, intensity and time set light intensity, time create your own color blend Auto On Off ✔ ✔ ✔ ✔ ✔ Default Mode set daylight and moonlight simulate 24hrs natural light simulate 24hrs natural light simulate 24hrs natural light create your own color blend Sunrise Sunset ✔ ✔ ✔ ✔ ✔ Weather Mode ✘ ✘ ✔ ✘ ✘