Counter   Remote Counter Large display with 8.6 mm (0,338 in) height Available in backlit LCD PNP/NPN DC voltage range 0 to 99999999 Key-protect switch to prevent front resetting Selectable input speed: 30 Hz or 1kHz (except for AC/DC multi-voltage input models) NEMA 4/IP66 front Replaceable battery Black case       Copyright @ 2006 SAJO Technologies Inc. All rights reserved.