Giới thiệu Set 2 Còi Đeo Cổ Tay Hỗ Trợ Các Trường Hợp Khẩn Cấp
Description:
Lightweight, waterproof and durable Easy to blow and cannot be overblown Dual-chamber, easier to emit a shrill, high-pitched sound Ultra loud, enough to be heard at long distances Great for outdoor camping, hiking, hunting, boating, kayaking, canoeing, diving, training dog and referee use etc
Specification:
Material: ABS plastic + TPU coil Color: you can choose Whistle Size: approx. 4 x 2 x 2 cm / 1.6 x 0.8 x 0.8 inch Wrist Coil Diameter: approx. 2.5 mm / 0.1 inch Wrist Coil Length: approx. 50 cm / 19.7 inch (stretched)
Package Includes:
2 Pieces Safety Whistles with Wrist Coils
Note:
Please allow 1-2cm errors due to manual measurement. Color may be slightly different since different monitors, thanks!