Characters: 1) Sound amplification 2) whistle 3) Certificates: CE, FCC 4) Patented product: Yes 5) OEM availability: Yes 6) Minimum order quantity: 1000 PCS 7) Payment terms: T/T or L/C Specifications: 1) Power: 4 x AAA batteries 2) Weight: 275G (not including batteries) 3) Dimensions (L x W x H.): 175x 95x 165mm 4) Sound reinforcement output: 3W 5) Suitable for army, police, guardian on duty or rescue, and can be used in working places, families, traveling, driving, camping, parties as well as urgent occasions |