Octo Tech REGULATOR & B.C.D Tank Cylinder COMPRESSOR & FULL FACE MASK Dive Comp & Transmitter GAUGE CALIBRATION GALLERY SPARE PARTS Dive Computer & Transmitter Dive ComputerDive Computer Battery replacement, O-Ring Replacement with Pressure TestPrice – RM180Any Major Brand TransmitterTransmitter Battery replacement, O-Ring Replacement with Pressure TestPrice – RM180 (NOT Include Service KIT)Any Major Brand Battery Replacement Battery Replacement Pressure Test