Features: The 0 to 10V dimmer switches enables smooth brightness control for 0/1 10V dimmable LED drives and electronic ballasts, featuring a rotary ON/Off design for precise light adjustment in horticultural or indoor setups. build with strong plastic housing and high quality components, this dimmer operates reliably across extreme temperatures ( 15°C to +50°C) and syncs effortlessly with most plant grow lights. Ideal for both gardening enthusiasts and commercial growers search customizable lighting solution to optimizes plant growth stage in greenhouses or home garden . Perfectly adapts to indoor vertical farm , hydroponic systems, or climate controlled environment requiring energy efficient dimming for LED fixtures and electronic ballasts. Its tool easy installation simplifies setups for begin while maximizing energy savings through optimized light output, promoting sustainable cultivation practices. T Specifications: Material: plastic Size: about 121x109.75x30.5mm/4.76x4.32x1.2inch Dimmer model: CM-CK10V Input ranges: 0-10V Operating current: 80mA Dimming Electric : 0V-10V Working temperature: -15℃-+50℃ Package Includes: 1xDimming Controller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.