Feature: 【130dB Alarm Sound】 The 130dB personal safe alarm will sound with the LED flashes after pulling out the alarm stylus quickly, which can remind others in an emergency. The alarm sound can last up to 6 hours. 【LED lighting】 The personal alarm keychain adopts night lighting design with LED lights that can be used for walking at night or emergency lighting. 【Small and Portable】This safe personal alarm is light in weight and small in size, so it can be easily put into a small pocket for easy storage and carrying. It can be attached to backpacks, school bags, belt loops, suitcases, keys, dog leash waiting and more. 【Multi-purpose】 The safe personal alarm can also attract attention when medical treatment or assistance is needed, which is especially important for the elderly living alone. 【Battery Powered】 The safe sound alarm is powered by 2 AAA batteries (Battery Not Included) Specifications: ◆Material: ABS ◆Volume: 130 dB ◆Battery capacity: 120mA ◆Alarm time: 6 hours ◆Lighting time: 20 hours Package Included: 1 x Personal alarm(Battery not included) 1 x Manual Manufacturer Information: Company: BLACKSTONE ELECTRONICS CO LIMITED Address: UNIT D12 ON 16TH FLOOR JING HO INDUSTRIAL BLDG NOS.78-84 WANG LUNG ST TSUEN WAN NT Email: black_stoner@outlook.com Tel: +8618123753837