For use outside your pet's enclosure. It can be mounted under or on side of your pet's enclosure. If mounted below enclosure, make sure there is only a thin layer of substrate in tank and there is proper ventilation to prevent heat buildup which can damage your enclosure or create a fire hazard. Side mounting is recommended for enclosures with no bottom, thick or heavy substrate. When using, it is advisable to put some newspaper beneath the heating pad, or to put some bark chippings or the like that can keep warm and wet above the heating pat, so that the heat can be provided upward exclusively, and thereby achieving the optimal effect of the heating pad without any heat running-off. It is common that there are a few scratches on the pad surface, which does not affect ordinary use of it. Features: Easy to clean, convenient to use and low energy. Safe, balanced temperature distribution, adjustable. The interface of parts made of high quality materials is durable. Water proof and moisture proof designed, but please don't use it in water. Suitable for turtle, snake, lizard, gecko, spider, scorpion, frog, tortoise, small mammals. Specifications: Name: Reptile Tank Heating Pad|Heated Pet Pad|Pet Heat Mat|Under Tank Heater with Temperature Controller Material: Plastic Color: As picture Power: 5W, 15W, 25W, 35W Plug Style: UK Plug Regulating Range: 0-35 Degree Voltage Range: 220V- 240V Size: 5 W - 18 x 15cm/ 7.1 x 5.9inch 15 W - 22 x 25cm/ 8.7 x 9.8inch 25 W - 22 x 42cm/ 8.7 x 16.5inch 35 W - 55 x 25cm/ 21.7 x 9.8inch Package Include: 1 x Reptile Heating Pad/Mat NOTE: The reptile heater mat is slightly waterproof, do not immerse it in water or long-term in high-temperature environment, so as not to cause electrical short-circuit and burn hazards.?Fit For Most Reptiles?Suitable for turtle, snake, lizard, gecko, spider, scorpion, hamster, frog, tortoise, small mammals, crawler and any animal that requires belly heat, even used in the plant box. Ideal heat source for desert and tropical species of reptiles, amphibians and arachnids. ?Powerful Function?Reptile Heat Mat Pad Helps reptiles for daily activity, appetite and metabolism.It can keep reptile tank warm without any harm to your pets and also won't disturb animals sleep pattern. ?Rapid Heating?Using conductive ink, the heating strip and the resistance are evenly distributed. It can be rapidly heated within 3 seconds, high efficiency, low energy, stable performance and long service life. ?Temperature Adjustable?With a temperature control switch, Automatic thermostat. The grid structure has more uniform heat dissipation, and the rotary temperature controller can accurately adjust the temperature of the reptile heating pad. ?Durable Material?Our reptile heating mat is made of high quality PVC material, closed circuit, anti-leakage, ensure pet safety, add warmth to your pet without scalding, easy to clean and convenient to use in different seasons.