best t8 grow light bulbs SANSI T8 25W LED Grow Light, CA 120V / 2-Pack

best t8 grow light bulbs SANSI T8 25W LED Grow Light, CA 120V / 2-PackFeatures: 4 8 12 HRS AUTO ON OFF TIMER & 4 DIMMING LEVELS: The LED flower lamp operates from a built in timer with 3 modes cycle timing function which stays on for 4 8 12 hours and off for 21 18 12 hours. The indoor plant lights for indoor plants full spectrum offer 4 level brightness settings to different plants requirements ranging from 25%, 50%, 75% to 100%. IP54 WATERPROOF: The lamp body has a waterproof structure, there is no need to worry about

Features:

• 4/8/12 HRS AUTO ON/OFF TIMER & 4 DIMMING LEVELS: The LED flower lamp operates from a built-in timer with 3 modes cycle timing function which stays on for 4/8/12 hours and off for 21/18/12 hours. The indoor plant lights for indoor plants full spectrum offer 4 level brightness settings to different plants requirements ranging from 25%, 50%, 75% to 100%.
• IP54 WATERPROOF: The lamp body has a waterproof structure, there is no need to worry about water droplets splashing on the lamp when watering, causing damage to the lamp or causing dangerous accidents.
• FULL SPECTRUM: Imitate the solar spectrum, customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Providing 4000K daylight, Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality.
• DIY INSTALLATION: The package contains all the accessories needed for installation and can be flexibly installed for different places. Ideal for indoor use on plant shelves, cabinets, walls, greenhouse, and other places in the home/office space. The power cord is 6ft long, which is quite enough for indoor use.
• PATENTED CERAMIC TECHNOLOGY: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solders the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliabilit. SANSI offers a 2-Year service for this grow light. We have a professional service team that provides 7x24 online help. Please contact our team on Website Message if you met any problems.