Colorful life springs from Glowrium Pursuing naturalness to create a healthy aquatic environment Day mode with full spectrum High spectral uniformity, which is crucial for the growth and coloration of fish and aquatic plants. When the spectral uniformity is high, the ecosystem within the fish tank is typically more stable and healthy. Night mode with blue light Simulating the natural environment; Blue light is employed to replicate the natural nighttime lighting conditions, creating a more comfortable and natural environment for fish and other aquatic organisms after dark. Timer Usage Instructions: 1.Press the "TIMER" button on the controller to select the desired time. 2.After setting the timer (6 hours/9 hours/12 hours), the light will automatically follow a 24-hour cycle of day and night with a sunrise and sunset function (30 minutes of gradual brightness increase and decrease). 3.The next day, at the exact time you set the timer for, it will automatically switch from night mode to daylight mode. Tips: In automatic mode, when changing the timer's duration, it will not affect the turn on time . If you need to change the turn on time, you should exit the timing mode first and then set it again. Press and hold the timer to exit timing mode.(the timed blue light disappears). For example: To set the Automatic Timer 12-hour You can select the timer (12hrs) on the controller at 8:00 AM in the morning, it will take 30 minutes (from 8:00 AM to 8:30 AM) to gradually increase the brightness (Simulate the Sunrise). At 8:00 PM, it will switch to Nightlight mode, and it will also take 30 minutes (from 7:30 PM to 8:00 PM) to gradually decrease the brightness (Simulate the Sunset) and switch to Nightlight at 8:00 PM. From 8:00 PM to 8:00 AM the next day is Nightlight mode. The cycle will repeat every day after the timer is set. Previous page Next page 1 Simulate sunrise sunset 2 Stepless Dimming Previous page All-in-One Body Our aquarium light with all-in-one body not only provides an ideal channel for heat dissipation but also ensures the stability of the device in different environments, thereby extending its lifespan. Energy-Efficient 5 rows of high-quality LED lights provide excellent brightness and luminous efficiency, 50,000 hours of long life , lasting and reliable lighting Extendable Bracket Our extendable bracket easily match various aquarium sizes, ensuring your underwater world always maintains the perfect lighting environment. Next page GLOWRIUM Aquarium Light Smart Aquarium Light Underwater Aquarium Light LED Aquarium Light Smart APP Control This smart aquarium light with WiFi+Bluetooth dual control Controller with LCD screen Take full control of your aquarium lighting with the LCD screen controller Controller control Take full control of your aquarium lighting with the controller Smart DIY Adjustment Smart adjustment Zone spectrum 10 adjustable color modes Offers 10 adjustable color modes Full spectrum and blue light Day mode and Night mode ,Simulating the natural environment How to deal with the first use of aquarium light that does not light up? 1. check whether the power supply and DC interface are in normal contact; 2. check whether the controller is in the off state; About the surface of the aquarium light body heating problem? This lamp will not heat up very seriously under normal situationif there is an untouchable situations,firstto confirm whether the power is abnormalsecondto confirm whether the surface of the lamp body covered with coverings. How to judge the length of irradiation needed for fish tank? 12H timing mode is suitable for some sun-loving aquatic plants;6H mode is suitable for some shade-loving aquatic plants;9H mode is suitable for other types of aquatic plants the above are some reference suggestions.