Standard Horizon SSM-517A Earpiece Microphone f/HX270, HX370, HX471 HX400 [SSM-517A] Hunting & Fishing | Outrigger Accessories UL and CSA approved to

UL and CSA approved to work with round cable

Both mounts feature two ratchets for both up/down and side-to-side adjustments

EC M30 Transducer Extension Cable - 30'

Secondly it can work as a Voltage- and Temperature-sense device for the inverter/charger

Standard Horizon SSM-517A Earpiece Microphone f/HX270, HX370, HX471 HX400 [SSM-517A] Hunting & Fishing | Outrigger Accessories UL and CSA approved toSSM 517A Earpiece Microphone for HX270, HX370, HX471 & HX400 The Standard Horizon SSM 517A Earpiece Microphone is compatible with HX270, HX370, HX471, and HX400. Specifications: Type: Microphones Box Dimensions: 1"H x 3"W x 4"L WT: 0. 15 lbs UPC: 788026176373