If you like this item,please add it to your "Wish List",If you like our store,please add it to your "Store List".Thank you very much!!! ^-^ Feature: Good heating effect, but it does not issue stimulus light affect the animal sleep . Impact resistance, can contact with water, uninterrupted heating 20000-50000 hours. Emitted far-infrared can preserve heat, at the same time, animals have excellent health care. New technology, the thermal efficiency is up to 99%. Emitted natural infrared thermal, does not emit light, it will not disrupt the normal cycle (day / night). Solid ceramic component suitable for wet environments. Ease of installation, coupled with ordinary ceramic lamp base, then spin on. Specifications: Base Type:E27 Power source: 25W/50W/75W/100W Voltage: 110V/220V Material: Ceramic Color: Black Size:55mm(h)x45mm(dia.) Note: Surface temperature is too high, do not directly touch during use. Package Include: 1 x Pet Heating Lamp