Feature: 1. EASY TO USE: Women emergency safety alarm is simple to use, just pull out the small pin on the alarm, immediately emitting an alarm sound close to 130DB, the sound to deter suspicious people, to discourage them from doing evil thoughts. 2. SOUNDING AN ALARM: The alarm can be sent out instantly to notify the sleeping family members when the elderly have a sudden illness at night. Except for the elderly travel, if you encounter problems, you can use the alarm to sound, so that people nearby to help. 3. WITH LED LIGHT: Safe sound personal alarm is equipped with LED lights for nighttime illumination and is suitable for students, seniors, children, women, night workers and other people of all ages, as well as for travel, hiking, camping and walking the dog at night. 4. COMPACT AND CONVENIENT: Emergency safety alarm is compact and convenient, can be attached to women's bags, backpacks, school bags, belt loops, luggage, keys, dog leashes, etc. Standby 8‑12 months, 15 hours long sound, LED light is always on for 24 hours. 5. DURABLE ABS PLASTIC: Women safety alarm is made of environmentally friendly and durable ABS plastic, resistant to drops, extrusion, voltage, high temperature, copper plug does not rust, beautiful, and will not break under the worst conditions. Specification: Item Type: Safe Sound Personal Alarm Material: ABS Suitable For The Crowd: The Elderly, Children, Women Volume: 130DB Battery Type: 3 x LR44 Button Batteries Battery Capacity: 480MAH (Shipped With Built In Batteries) Size: Approx. 70x53mm / 2.8x2.1in. Package List: 1 x Safe Sound Personal Alarm 1 x Instruction Book Note: Please allow some error due to manual measurement.