Icom HM158LA Compact Speaker Mic FHMACHINET3 The X-Grip IV holder is

The X-Grip IV holder is compatible with handheld devices that will fit the dimensions listed below

Offset Kite Cluster Rod Holder

Garmin Fishfinder Mount Low Profile

While the step up and step down functions are fairly straightforward

It provides priority for charging only the starter battery first and protects from excessive discharging of the starter battery

Icom HM158LA Compact Speaker Mic FHMACHINET3 The X-Grip IV holder isHM158LA Compact Speaker Mic This Icom speaker microphone is for Icom portable radios that accept a 2 pin LA type screw cap connector. See below for the entire list of Icom compatible radios. Features: 8 position rotary clip Equipped with earphone jack 2 pin LA type screw cap connector Specifications: Connector Information: 2 pin Screw attached type; 3. 5 mm earphone jack Waterproof: N A Cable Length (when curled): 19. 3 in. (490 mm) Weight: 125 g