1. Double tubes emergency whistle can provide up to 120 decibels, enough to be heard at long distance.
2. Loud safety whistle for camping, hiking, fishing, boating and any kind of outdoor activities, also for dog training.
3. Length 56 mm×Diameter 15 mm, it’s mini but very loud that can be heard for far distance. It's only 12g, easy to carry.
Phone: +86 18958488013
Add: No.29 DSF Road in Yiwu, Zhejiang Province 322000