E27 Lamp BaseIt is suitable for the most common family, easy to use. You just need to screw this bulb into a standard E27 screw base. It can give off intense light for the pet .The input voltage is AC220V. UVA UVB LightProvides a full natural UVA / UVB spectrum. UVA can stimulate appetite, facilitate digestion; UVB can accelerate the synthesis of vitamins, help animals to fully absorb calcium, easy to cultivate Lamp Cup with Convex Reflective SurfaceThe convex surface reflection in dimension strengthens the ultraviolet spectrum. Made of vacuum glass tube, the wick is durable and reduces filament oxidation. Low power consumption extends lamp life Hot SurfaceThe surface temperature is too high when it is working, please do not touch directly during use. Otherwise, your hand will be burned.