100009912 Watt: 50 Watts Features: -Night black heat incandescent bulb. -Provides 24-hour ambient heat source for a healthy reptile environment. -Great for night-time viewing to observe natural nocturnal behaviors. -Ideal for tropical and desert habitats. Product Type: -Lighting. Watts: -50-74/75-99/100-199. Reptile: -Amphibian. Color: -Blacks & Grays. Pet Category: -Reptile. Generic Dimensions: -50W dimensions: 4.5 H x 2.5 W x 2.5 D. -75W dimensions: 5.25 H x 2.75 W x 2.75 D. -100W dimensions: 5.25 H x 2.75 W x 2.75 D. -150W dimensions: 5.25 H x 3.13 W x 3.13 D. Dimensions: Overall Product Weight: -0.24 Pounds.