• the above unit price is the unit price of large whistle, there are a large number of spot goods, customers who need it can directly order it
• if necessary, please contact the seller directly.
• LOGO printing and mold opening can be customized according to customer needs
• item No.: 12mm * 62mm
• color: purple red black Green Blue Rose Red Sky Blue Silver gold
• product features: short tone (within one second);■ ■ ■ long tone (more than 3 seconds); Whistle interval within the instruction is 2 to 3 seconds, the interval between commands is more than 30 seconds (for example, it takes more than 30 seconds to send commands repeatedly) communication (T):■ ■ ■ (a long tone) is used for voice communication of the team, to determine the whistle direction between each other, after receiving the whistle command, send a representative to receive the command (similar to the same shouting ~~~~~) set (U):● ● ■ ■ ■ (two short and one long) set towards the direction of the whistle (set with the same shouting ~~~~ similar) forward (V):● ■ ■ ■ (one? Peach blossom? During the break, send out on behalf of the whole team, and send out on the way on behalf of accelerating forward (similar to shouting ~~~~) front team waiting (W):● ■ ■ ■ ■ ■ ■ ■ (one short and two long) is used for the long distance of the team, and the front team is required to wait for the back team (please wait for ~~~ wait for ~~~ similar) ask for support (S):● ● ● (three short) when you encounter difficulties and need help, the person who receives the signal will reply with a voice (T) to indicate that he will go to support (urgent call! Urgent! Urgent! Similar) SOS: ● ● ● ■ ■ ■ ■ ■ ■ ■ ■ ■ ● ● ● (Three short, three long and three short) this is an International SOS code, please remember
• we can choose express delivery if the postage is paid on arrival. Contact customer service for other situations.

this product is in bulk. If you need to put it on the card, you can buy it on the card.