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