FEATURES: 

• Size: 10 x 3cm
• A button switch for LED light
• Powered by 2 X CR2016 cell button ( included )
• Temperature range:-20-50C
• 7 in 1 survival whistle kit : whistle, magnifying glass, signal mirror, compass, thermometer , small container (can put into some small items) and white LED light

Note: Limited Quantity. Limit to 4 pieces per order!
People often buy 2-3 pieces to give their teamate as well. Shipping takes 2-4 weeks to delivery.