Description Paying by mobile phone is great, but cash is indispensable. This keychain is money detector. It's useful to prevent fake currency passing. You can use it in your work and daily life. It can reduce your unnecessary loss. In addition, you can your keys on the chain. So that you aren't afraid of lossing keys anymore. Features - Color: Random Color.- Material: Plastic.- Size: Approx. 4.8x3x2cm.- Lightweight and portable, it's easy to carry.- Lighting your road in the dark enviornment dut to the purple light.- A good partner in you business.- A wise choice to reduce your unnecessary loss.- It's also decorate your key.Packing list: 4 x Keychains