• Size: 50 x 33mm
• Use: Pointing Guide
• Dial Display: Pointer
• Material: Plastic
• Temperature range: -20-50 degrees Celsius
• Whistle Size: 50 x 33mm/1.96 x 1.29 inch
• Neck Lanyard length: approx. 40cm / approx. 15.74 inch
• Whistle Color: Olive green
• Package Included: 1*pc Emergency Survival Gear Whistle
• Unit Type: Piece 
• Package Weight: 0.03kg (0.07lb.) 
• Package Size: 10cm x 8cm x 6cm (3.94in x 3.15in x 2.36in)

Features:

• 100% brand new with high quality
• 3 in 1 multi-function emergency whistle
• 3 function: whistle, thermometer, compass
• Durable plastic whistle and nylon neck lanyard
• On one side there is a compass, and the other is Celsius thermometer