Product withstands high temperature of 500 degrees, includes oven lamp and 25W base Voltage: 220-240V (can also be installed 110V bulb) Product material: high frequency porcelain; T300 tempered glass lampshade; Rated voltage 12-250V Rated current: 10A Color: Silver + transparent Material: 304 stainless steel Size: 78x41mm Opening diameter: 35mm Package Contents: 4x lamp holder 4x bulb Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.