Long standby time, capable of continuous light measurement for 26 hours. High accuracy, measuring range from 0.1 to 100,000 lux. Utilizes a 32-bit MCU with high- sensing capabilities. Supports reflected and incident light metering. Supports multiple charging ports. Features parameter memory. Adjustable reflectivity. Metering Angle: 45° Average (Default: Reflected Light, can be set to Incident Light) Display: 0.96inch OLED Battery: 3.7V, 300mAh Aperture Range: F1.0-F64 Shutter Speed Range: 30s-1/8000s Operating Current: 8mA-10mA Standby Current: 3.5μA Reflected EV Range: -2.0-19.0 Incident EV Range: -4.5-15.5 Exposure Compensation Range: -5.0-+5.0 Color: White Material: ABS Package Contents: 1 set x Camera Light Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.