NEW Wrist Anti Wolf Artifact Ladies Night Running Safety Portable Alarm Personal Watch Alarm Personal Security Self DefenseProduct Instructions:1. Alarm switch: Push up to the left to sound an alarm, and push down to turn it off.2. Time switch: Lower left, press the button to display the time, itwill automatically turn off after 10 seconds.3. Set switch: Press set in the bottom right corner, then press the time key to adjust the time up and down. Press set again, then press the time key to adjust the time in sequence, in 24/12 hour format.4. Charging:When the alarm sound decreases or the time is not displayed, charge the product through the micro connector, and the blue light on the screenwill flash during charging.Specifications:CE certifiedMaterial: ABS+siliconeColor: BlackLive or not: Built inwith battery