1. Unremovable keychain latch, easy to carry and use
2. Pull out the plug, the product will emit a 125dB alarm sound and the red LED light on the surface will flash. Push the latch back to stop. The loud alarm sound and bright LED light can attract the attention of others and ask for help in emergencies
4. The side switch can control the LED light. Press once and the LED light will stay on; press it again and the light will flash; press it again and the light will go off. Can be used as a warning light or contact light.
*Packaging: Blister + Color Card”