Yelp branded LED Selfie Ring Mobile Light Clip it on: It has a rubber inside the clip, which helps reduce the friction between the clip & your device LED Light Ring 3 light brightness settings: weak-medium-strong press the switch to shift 2 AAA batteries included Use with phone, tablet, PC, laptop computer, camera, and many other devices with thickness w/in 1.6cm. Material Plastic Voltage DC 3V 36 led lights Approximate Measurements 3.34” x 3.34" 🚭