Mini Solar Dynamo Keychain with 2 LED includes the following features : 

• 2 LEDs lighting
• Used as a key chain
• Cranking for power generation
• Power source: dynamo operation
• Controlled by slide switch
• Handsome appearance, mini size and convenient to use
• Max. luminous flux: 8 lumens
• Lighting time: 3 minutes (after 1 minute cranking); 5 minutes (after 3 minute cranking)
• LED lifetime: 50,000 hours

Material :

• ABS housing

Size closed :

• Length of 4.6 cm x Width of 3.1 cm x Thickness of 2.4 cm
• Weight of 25 grams