What's in the box:

Electronic Whistle for Outdoor Survival Basketball Football Games Referee Sports Training Cheerleading Whistle(4PCS CR2302 is Included) Black (Black)

Features:
Three sound effects for you to choose from, loud and clear.
Cylinder shape mouth, long spreading distance.
Lightweight and portable, you can take it with you anywhere easily.
Suitable for referee, coach, adventurer, tour guide, cheerleader, traffic guide etc. for sports training, lifesaving and traffic command.

Specifications:
Battery: 4 x CR2302 (Included)
Material: Acrylic
Color: White, Black, Yellow, Green(optional)
Weight: 95g/3.4oz
Item Size: 15*3.8*3.3cm/5.9*1.5*1.3in
Package Size: 15.5*4.5*4cm/6.1*1.8*1.6in

Package List:
1*Electronic Whistle
1*Manual
1*Hanging Rope