This item was purchased new. It is for DC 18-36v. When I used it with a Makita 18v, it shorted out in an instant and stopped lighting up. Therefore, it is a junk item. Thank you for your understanding. The following is an AI-generated description. A 32W 6500K LED bulb compatible with an E26 socket, illuminating a wide area brightly. - Type: LED bulb - Wattage: 32W - Color Temperature: 6500K - Socket Type: E26 - Voltage: DC 18V (Max 36V) Thank you for looking.