Seedling Heating MatSpecifications:Material: PVCInput: AC100~240V 50/60HzPower: 21 WattsSize: 20 x 10inFeature:- Waterproof Material-The seedling heating pad has passed MET standard certification and is used for electric heating safety. IP-67 protection level can prevent liquid and dust from entering.- Brewing- If you need to keep the beer in a suitable temperature range, using a heating pad is a good choice.Improve the quality of your beer and wine whilst reducing fermentation time with this electric heating pad.- Sweet Spot for Speedy Germination- The seedling warming mat is speeding up the germination of vegetables herb and flower seeds - it will Warms the rooting area to improve sprouting and rooting.Note: Efficient Heating: Plant heating pads warm the rooting area of plants to improve germination and rooting. Therefore, seed heating pad heating mat meet the needs of sowing plants in cold seasons to make full use of their growth cycle. Promote Plant Growth: The right temperature can effectively promote the growth of plants, and is widely applied to seedlings, flowers, vegetables and fruits, so that it can survive the cold. Waterproof Material: Plants heating mat has passed the safety standard certification.The material of heat mat reaches IP-67 waterproof protection level, and there are several layers of plastic thermal bonding on the solid heating wire, water will not enter the seedling heated mat, ensure the safety of electricity when you irrigating plants. Safe and energy saving: The PVC surface layer completely covers the heating wire, which does not pose a safety hazard in continuous use, and the power of 17.5W ensures the low energy consumption of the heating mat. Caution: Please do not immerse the heated seed tray mat in water and note that this heat mat greenhouse is 21 watts germination mat, if your greenhouse, terrarium or aquarium is too big, maybe this can not get enough heat. Manufacturer ZJDYDY Batteries required No