JJC LED-48IO Macro Ring Lighting Unit is powered by 48 pieces powerful LED.This macro ring light for DSLR and EVIL cameras allows you to equally illuminate your subject from any direction. Its specially designed ring shape is great for macro photography(close-up). It can constantly emit permanent light for subjects. The 48 LED lights are arranged in two equally bright rings of 24 LEDs. Both rings can be activated simultaneously or separably. In this way the ring light provides two different levels of brightness. Technical Details: ● LEDs: 48 ● Color temperature: 5000K-6000K ● Brightness: 50lm / 26lm ● Color rendering index (CRI): 83 ● Luminance: 200 lux (1m), 1000 lux (50cm) ● Guide number: 15(all light on) ● Power supply: 4 AA batteries ● Battery life: ● approx 24h with 1.5V alkaline batteries ● approx 48h with 1.2V rechargeable batteries ● Size of ring light: 13.4cm x 10.9cm x 2.8cm ● Size of battery package: 12.1cm x 4.7cm x 2.1cm ● Inner dimensions: appro x 6.4cm ● Net weight of ring light: 96g ● Net weight of battery package: 58g Package contain: 48pcs LED Macro Ring Light x1 Battery Package With Screw x1 Connecting Cord x1 Step Rings (49mmx1, 52mm x1, 55mm x1, 58mm x1, 62mm x1, 67mm x1) This Instruction Manual x1 For Your Safety Do not disassemble or modify Keep Dry Keep out of reach of children Do not use in the presence of flammable gas Do not expose to high temperatures