Sell 120dB SOS Emergency Alarm Keychain Self Defense Electronic Device for Elderly best price

: Material: plastic. Size: 6*4.5*2cm. Vol: 120db. Working voltage: 4V. Working current: 1mA. Powdered by AG13 button battery. Color: color sent at random,and we do not offer color choice,pls note this before you buy it. : *Fit for:Student, Jogger, Elderly, , Women,The night and night worker. *It's also a necessory supply for traveling,hiking and camping. *Emergency Activation.Keep you safe,and To Help Scare Off Attackers or Use in Emergency. *Small and Portable. Can be Attached on Backpack, Belt Loops, Suitcases. *Suitable For Ages 8 and Up. Note: *Due to the light and screen setting difference, the item's color may be slightly different from the pictures. *Please allow slight dimension difference due to different manual measurement. Package include: 1 * Egg Alarm Keychain.