MR16, 3 watts with 48 pcs 3528 SMD power LEDs, As 25 watts Halogen bulb replacements, DC 10V~30V wide voltage operation, It can work on AC/DC 12V or DC 24V. 90% more efficient than xenon bulbs, incandescent bulbs and Halogen bulbs traditional lighting, Lifespan of up to 60,000 hours means that equates to 20 years lifetime if turn on lamp 8 hours a day. These bulbs are perfect for the inside case lighting for jewelry,  no heat and good lighting.

Base:GX5.3
Consume wattage: 3 Watts
Beam degree: 120 °
Input voltage: DC10~30V
LEDs: 48 pcs High Bright 3528 SMD  LED
Colors: warm white 2800k~3000k 
CRI Ra=65
Lumen: 210 lumens
Dimension:  Φ50mm × H55mm
Net weight: 45g