LED light bulbs for home, MR11 light bulbs led replacements, GZ4 standard base, Dimension:Φ35×35mm. IP50 Indoors use only. It is using 9 pcs 5050 SMD LEDs (max 0.2 watt each LED) , LED floodlight with 120 degree beam, Daylight White 6000K~6500K, It can be as 10~15 Watts incandescent replacements. Light output 127 Lumens. 10V~30V wide rage voltage operation (constant current controller inside), it can work on AC10~18V, DC12V, 24V or any other voltage between DC 10V and 30V. Please note that it can't work on the AC power supply which voltage over 18V. These bulbs are perfect for the inside case lighting for jewelry, no heat and good lighting.