Feature 1Large decibel personal security alarm, close-range test to be more than 130DB. 2Smooth line, , exquisite heart shape, energy-saving and durable. 3Small and portable, can be carried around hung on a bag or your keys. 4Simple operation, just pull out the inserted link to activate the alarm for help and pull down to stop. 5Both an ideal gift and a practical alarm suitable for the elderly, night walkers, sports people, the disabled, women, students. Specification Features: Large decibel personal security alarm, close-range test to be more than 130DB. Smooth line, , exquisite heart shape, energy-saving and durable. Small and portable, can be carried around hung on a bag or your keys. Simple operation, just pull out the inserted link to activate the alarm for help and pull down to stop. Both an ideal gift and a practical alarm suitable for the elderly, night walkers, sports people, the disabled, women, students. Specification: Condition: Material: ABS and metal Optional Color: Pink, silver Battery: 3 x AG13 batteries Decibel: 130DB Metal Chain Length: Approx.10cm/3.9in, 20cm/7.9in(stretch) Package Weight: Approx.49g/1.7oz Package List: 1 x Personal Security Alarm