Standard CMP-460 Speaker Mic

CMP460 Submersible Noise-Cancelling Speaker MicIP57 Specification for dust protection and water submersion: 3' for 30 min.Features: Push to talk Speaker Microphone Noise Cancelling Intrinsically-Safe Certified (when matched with IS Radio) Specifications: Type: Microphones Box Dimensions: 3"H x 4"W x 8"L WT: 0.4 lbs UPC: 788026075928