10pcs Portable LED Card Light Pocket Lamp Put In Purse Wallet Emergency Light The size same as credit card and no wire needs. It is very convenient because it can place inside the wallet. A such small card may use for illumination, design is so funny. The interior has a LED light bulb, when you need to illuminate, you just fold Light Bulb" up then the light turns on. If put " light Bulb" down, then the light turns off. You can use it anytime and anywhere... Features: Wireless LED Light Credit Card Size Fold "LED Light Bulb" up, light turns on Can place in Wallets Specifications: Material: ABS Color: white Dimension: 86*54*3mm Battery: 1* 3V CR1216 (included) Weight: 15g Package dimension: 88*56*4mm Package weight: 20g Package includes: 10 X Pocket LED Wallet Light Lamp (battery included) "