Feature: 1. Loud Sound: When encountering an unexpected situation, simply press and hold the alarm to make a loud sound to attract attention, and improve the safety of the elderly. 2. Care Services: The alarm can enhance the care services of family members and caregivers for the elderly and help them better cope with unexpected situations. 3. Multifunctional: Emergency alarm has 2 light beads, which integrates a variety of functions such as strong light illumination, sound call for help and self rescue to meet the needs of the elderly in emergency situations. 4. Self Help: The elderly can carry the alarm with them or keep it by their bedside at night, and when they cannot solve the problem by themselves, they can trigger the alarm to seek help. 5. Wrist Wearing: This emergency alarm is made of premium nylon rope and ABS material, which is strong and durable, and can be worn on the wrist to provide reliable help for the elderly. Specification: Item Type: Self Help AlarmMaterial: ABS, nylonBuilt in Battery: LR44 button Built in Battery Capacity: 160mAhx3 beads Number of Batteries: 3 Product Size: Length: approx: 27cm/10.62in, width: approx: 2.7cm/1.06in, thickness: approx: 0.9cm/0.35inLamp Beads: 2 . Package List: 1 x Self Help Alarm Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.