hydgooho seedling heat mat 2-pack heating mat hydroponic heating pad waterproof for seed germination cloning and plant propagation (s) hydgooho give your plants a better care for warming up to 10°-20° above ambient temperature with our seed heat! important information: 1, the plug is the main disconnect device and it should remain readily accessible and operable. 2, ensure electrical ac outlet receptacle is well grounded. 3, protect the power cord from being pinched. 4, place mat on a smooth and stable surface. 5, do not place the seedling heat mat on top of rough or sharp surfaces. 6, place the seedling heat mat on a dry surface. package: 2pcs x small size seedling heat mat