The EIRMAI YB-J10 Photography LED Light has an adjustable feature. Temperature range for color: 3200-5600K Luminance The range is adjustable between 10% and 99%. Using an LCD display to indicate battery percentage, color temperature, and brightness Pictures and colors appear more natural when the color rendering index (CRI) is at least 95%. includes a charger and NP-F550 battery. Specifications for the EIRMAI YB-J10 YB-J10 Power 12W model DC6.5-17V is the voltage. Illumination: 1200 LM Illumination: 0.5M 720Lux; 1M 180Lux 10% to 99% dimmer Temperature of Color: 3200-5600K Battery compatibility: NP-F550, 750, or 970 380g in weight; package included One EIRMAI YB-J10 battery and one charger