it mainly for young lady met with danger call for attention and help. Just pull the plug to trigger the alarm.

• Simple operation: pull the plug to trigger the alarm
• Ultra alarm sound 120dB siren
• Alarm sound continue when hook point is separated
• Compact size
• Lightweight: 20g
• Battery power supply: 2pcs CR1632 (included in remote)
• Colors available for selection: gray, blue, purple, orange and pink
• Dimension (L x W x H): 71 x 31 x 13mm