ゲージ付きLANDCAST https://amzn.to/2xFNGMKGIYO https://amzn.to/2xIgqEvLANDCAST の小さい奴 https://amzn.to/2SbaoG3LANDCAST はOEMでしょうね
http://www.nicovideo.jp/watch/sm35388549