The DAC Key Alert Personal Security Alarm Keychain Flashlight is a brand new pocket alarm made of black plastic with a 120 dB operating sound rating. It features a keyring for easy carrying and a very loud alarm with a flashlight for added security. This personal alarm is compact, measuring 3 inches in length, 2.5 inches in diameter, and 1.5 inches in width, making it convenient to carry around at all times. Powered by batteries, this alarm is a reliable and essential tool for personal safety.