Features: Heat mat distributes heat uniformly to the surface of the substrate. Ultra-thin design with maximum flexibility. Grid structure ensures excellent and even heat dissipation. Built-in thermostat for safe and balanced temperature distribution. Adjustable switch with temperature range of 0-35°C. Helps stimulate appetite and improve digestion. Easy to clean, convenient and practical. Can be used inside or outside of incubator; may be used in water for short periods. Suitable for tortoises, snakes, lizards, geckos, spiders, and other reptiles. Specification: Type: Warm Heater Color: Black Quantity: 1 pc Item Size: 28W 53x28cm / 20.8x11 in (LxW) 20W 42x28cm / 16.5x11 in (LxW) 14W 28x28cm / 11x11 in (LxW) 5W 14.7x14cm / 5.8x5.5 in (LxW) Net Weight: 180g / 6.4oz, 168g / 5.9oz, 155g / 5.5oz, 98g / 3.5oz Package: 1 x Warm Heater