Function: It can both be used as craft fishlight and as fish-urn, which can raise fish. Specifications: 1) Model Number: 2004-01 a) Power: 10W b) Bulb: MR111 max. 5W DC 12V 2) Model Number: 2004-01 a) Power: 15W b) Bulb: MR112 max. 5W DC 12V