For both transmitter and receiver

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Fits Suunto Vytec, HelO2 u0026amp; Vyper Air

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Meets factory specifications

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Great Save-A-Dive kit item

nESCRIPTION Battery kit for Suunto Vytec, HelO2 u0026 Vyper Air Receiver and Transmitter (Complete) Kit includes For the Receiver: New 3 V lithium battery and o ring. For the Transmitter: New 3V battery CR 1/2 AA battery, HP port o ring, transmitter cover o ring and silicone lube. Includes everything you will need to change the battery in your Suunto Vytec, HelO2, Vyper Air dive computer both receiver and transmitter. Contained within the kit are replacement lithium batteries, ALL the o rings you will need to seal both the receiver and transmitter and o-ring lubricant.