Wattage:5W 15W 25W 35WMaterial: PVCSIZE:5W:15*18CM15W:22*25CM25W:22*42CM35W:25*55CMweight:118g,145g,165,190gFeatures:[Safe & Balanced Heating] Safe and balanced temperature distribution, can be used pet and provide a gentle heat which under normal use will not burn your animal.[Waterproof & Damp-proof ] Waterproof and damp-proof for reliable use (not available to water use directly).[Suitable for Most Reptile] Suitable for turtle, snakes, lizard, gecko, spider, small mammals, crawler and any animal that requires belly heat.[Low Energy] Automatic thermostat and low energy.The heat mat is easy to clean and convenient to use in different seasons.[Convenient to Use] Pad can be used under a tank. As a safety precaution it is best to provide some space for air movement. Or put it inside tank with a layer sand/bark pieces to avoid direct touch and heat dissipation.In a 45*30*22cm incubator, 25 After heating for 10 minutes, the internal temperature of the product is 30 , but when applied to the lizard, it is 28