• Specifically designed as an acoustic underwater telephone for the Sport Diver
• Utilizes new super mic which is noise cancelling and fully floodable to any depth
• Your second stage regulator easily installs to the HM-2 mouth mask
• Unique push-to-talk system
• Uses ultrasonic upper single sideband for transmission
• Provides moderate range and clear diver-to-diver voice communication
• Powered by one 9-volt battery (not included – see below to order)
• NOMINAL RANGE: 50 to 500 meters depending conditions
• OPERATING DEPTH: 130 Feet of Sea Water
• BATTERY TYPE: 9 volt
• BATTERY LIFE: 8 to 10 hours
• FULL MANUFACTURER´S WARRANTY

Please note that this product is USED and limited to quantity on hand and limited to specific sizes/colors. No rain checks or back orders. See website for details.

This gear has been inspected by our certified Scuba Instructors and has been found to be Like New, and all packaging is included. Gear is for sale AS IS, but may be returned to us by prepaid postage for a 75% credit towards the purchase of any new item(s) of your choice within 30 days of purchase.