Nunotani Keiki Seisakusho Jis F8521-fe130 Electric Shaft Rpm Indicator Receiver
Nunotani Keiki Seisakusho Co., Ltd.
Electric Propeller Shaft Revolution Indicator Receiver
R.P.M.
Astern 100-0-100 Ahead
Jis F8521-fe130 
Voltage: 40V
Current: 10Ma
R.P.M.: 120
No.: Ec-4803-7
K105
Weight: 1.980 Kg