MIGHTY BRIGHT-A clip-on reader's light Ac/DC adapter. Input: 120 volts 60 Hz. Output: 4.8 volts DC. Current: 300mA Max. Caution: This product is not intended for young children. It is designed for use with clip-on lights only from Gold Crest. Do not use with any other product. Use in dry locations only. UL and cUL approved.