AIICIOO reptile heating pad is an ideal 24-hour primary or secondary heat source for tropical or temperate reptiles. It contains high-grade nickel-chromium alloy heating wire and a high-quality PVC material insulation layer, which can provide gentle and lasting warmth for reptiles and amphibians. We use a new strong adhesive to make it permanently adhere to your glass box or incubator to form a strong bond for optimal heat transfer.Lizard heating pad recommended for size: 8” x 12” ; Voltage: 120 volt; Power: 16 watt; Recommend for Medium 30-40 Gal Size.