https://www.moonraker.eu/mfj-401e-curtis-econo-keyer-w-memory?___store=english6644MFJ-401E - Curtis Econo Keyer w/ Memoryhttps://www.moonraker.eu/media/catalog/product/m/f/mfj-401e_f_0221.jpg114.95114.95GBPInStock/Amateur Radio Equipment/Other Accessories/Morse KeysThe same as MFJ-407E except weight and tone controls are adjusted internally and doesn’t have a tune switch. Use 9 volt battery or 110 VAC with MFJ-1312D, $15.95. 4 x 1 3/4 x 3 1/4 inches. The same as MFJ-407E except weight and tone controls are adjusted internally and doesn’t have a tune switch. Use 9 volt battery or 110 VAC with MFJ-1312D, $15.95. 4 x 1 3/4 x 3 1/4 inches.MFJhttps://www.moonraker.eu/media/catalog/product/m/f/mfj-401e_back_0243.jpghttps://www.moonraker.eu/media/catalog/product/m/f/mfj-401e_l_0223.jpgadd-to-cart5056109229229MFJsupplierCosttags
The same as MFJ-407E except weight and tone controls are adjusted internally and doesn’t have a tune switch. Use 9 volt battery or 110 VAC with MFJ-1312D, $15.95. 4 x 1 3/4 x 3 1/4 inches.