VIVOSUN 10"x20.75" Seedling Heat Mat and Digital Thermostat Combo Set MET Standard RELIABLE RESULTS: VIVOSUNs professional heat mat maintains temperatures in the sweet spot of around 10-20 above ambient air temperature - perfect forseed starting and cutting propagation! BUILT TO LAST: The heat mat is supple, flexible and ultra-durable, VIVOSUN goes beyond stringent MET standards, with a fortified connection between mat and power cord, water-resistance that enables safe scrubbing and a 1-year warranty. PROFESSIONAL RELIABILITY: The controller maintains a stable temperature between 68-108F (20-42C) for professional horticultural systems; the sensor probe delivers accurate readings in both cool and warm environments. ZERO-EFFORT SETUP & OPERATION: The controller comes with a manual, but you wont need to read it! Using 3 buttons, you can set a temperature or change the display between Fahrenheit/Celsius in seconds. COMPATIBILITY & SAFETY GUARANTEED: Compatible with any heat mat and ready to plug into North American outlets, VIVOSUN is the best choice for safe and professional heat-mat regulation. Extra-fortified connection between the super-long power cord and the mat, fixing a common weak point in other heat mats. IPX-4 water resistance means you can scrub the mat clean or wipe up spills without worry. The 10&#034; x 20.75&#034; mat is perfect for a standard 1020 tray Energy efficient design: Only uses 18 Watts. VIVOSUN&#039;s heat-mat technology hits that sweet spot temperature around 10-20 above ambient air temperature - perfect for seed starting and cutting propagation! After covering with a humidity dome, the mat gets warm enough to create dew throughout the plastic dome, keeping your plants from drying out. Keeps a steady temperature and distributes heat evenly, even in the cold (with an insulating layer underneath). VIVOSUN&#039;s upgraded Alloy Nikrothal heating wire ensures uniform heating and unbeatable durability. The multi-layer construction, with an extra layer of insulating PET film, gives you complete assurance this heat mat won&#039;t overheat or scorch your delicate roots when left on 24 hours a day. The easy-to-grip hexagon controller is made of extra-fortified plastic and high-quality components that wont malfunction under tough conditions. Clear, minimalist display, detailed finishing, smooth edges, and tactile buttons demonstrate the controllers superior craftsmanship. Compatible with standard North American outlets and plugs: the secure-fit 3-prong grounded socket grips plugs tightly. Electrical specs: 120 Volts/60 HZ/8.3 max Amps/max Wattage 1,000 W. Hang the controller however you want from the eyelet tab: it can hang flush with the wall or from a variety of hook sizes. The angle of the outlet keeps cords from getting tangled. The adjustable suction cup lets you easily stick the thermostat probe to a wall or terrarium. Enjoy more installation flexibility with a 510 power cord and 65 probe cord. Warning: Do not immerse digital controller or the thermostat sensor probe in liquid or very wet soil. Press SET once to display the current target temperature Hold SET for 3 seconds to set a new target temp. + and - adjust the target temp. Press SET again to confirm Hold + to show Fahrenheit Hold -to show Celsius Users report near 100% success for germination, cloning and root development. Works perfectly for spring plant starts, in the winter or any time your plants need a heat boost. Also great for brewing kombucha or other DIY fermentation projects - wraps around containers nicely. The thermostat controller is rigorously tested to ensure the safety of your plants, pets or DIY projects. VIVOSUN&#039;s temperature control technology maintains a constant temperature within a small range and saves electricity whenever possible. Temperatures can be set within a wide range of useful temperatures, from 68-108F (20-42C). The controller is fully compatible with any heat mat and equally effective in cool environments as in warm ones. Delivers excellent results for seedling germination, plant growth and other professional horticultural processes.