5 LED Green Aperture Light Keychain with Carabiner includes the following features :

• 5 x LED bulbs in green aperture color
• Switch button on the handle
• Operated by 3 x LR44 batteries (included)
• Attached with a carabiner 

Material :

• Aluminum alloy barrel body
• Aluminum carabiner

Size closed :

• Length of 8 cm x Diameter of 2 cm
• Weight of 18 grams