Designed to be used on 30-40gal standard glass terrarium for reptile, amphibian, small animal, or plant. Ideal heat source for desert and tropical species of reptiles, amphibians and arachnids. Specifications: 8" X 12" size, AC 120 volts, 60Hz, 16 watts. Package included: 1 Reptile Heat Pad, 1 3M adhesive paper. How to attach double-sided 3M adhesive: 1. Lie heat pad on flat surface. 2. Turn on the heat pad. 3. As pad heats, the pad will become smoother and flatter which will make it easier to apply the 3M adhesive. Note: 1. When securing heat pad to terrarium make sure it is placed so that reptiles will not have direct contact with the heat pad. 2. For indoor use only. 3. Placing terrariums with an under-tank heat pad on household furniture may cause the furniture’s finish to discolor, recommends using a terrarium stand. 4. For use on glass terrariums only. Do not use on wood, plastic, acrylic or any other type terrarium. 5.Do not immerse in liquid. 6.Discard pad if it shows any signs of deterioration such as cracking, blistering, melting or discoloration. 7.Inspect cord periodically. Do not use if cord is damaged or frayed. 8.The heating temperature of the pad will be affected by the environment, best results are obtained at a room temperature of about 68-86°F (2030 °C) in winter and less than 113°F (45°C) in summer."Specifications: 8" X 12" size, AC 120 volts, 60Hz, 16 watts. Ideal heat source for desert and tropical species of reptiles, amphibians and arachnids. Package included: 1*reptile heat pad, 1*3M adhesive paper. Tips: let the heating pad be heated for a while before using 3M adhesive paper, the heating pad will become more fiat, so that the 3M adhesive paper can be better adhered. 3M adhesive paper: come with 3M adhesive paper, provides a strong grip to the contact area for optimum heat transfer. The heat mat stays exactly where you want it. Durable material: high quality PVC material make sure the heat mat is durable and easy to clean, soft surface can be flexible and folded. High-quality heating wire, stable performance and long service life. Multifunction: keep reptile tank warm and helps reptile for daily activity, appetite and metabolism. Without any harm to your pets and won't disturb animals sleep pattern. Also perfect for germination, home brewing, or kombucha tea.Best Sellers Rank: See Top 100 in Pet Supplies. Country of Origin: China. : B08PYPY3DS. Manufacturer: Simple Deluxe. Date First Available: December 8, 2020. Item model number: Reptile Heat Pad Under Tank Heater 8 X. Product Dimensions: 8.27 x 3.54 x 3.54 inches; 9.24 Ounces.