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Gralab 451R Timer/ Intervalometer

Solid-state timer with two programmable functions, one ?on-time,? one ?off-time.? Both automatically reset and can be used in tandem for continuous recycling. Choice of three audio signals and time ranges: 1-99 minutes, 1-99 seconds and 0.1-9.9 in tenths of a second. Maximum lamp load 600w. Measures 3 1/2 x 4 x 8". Accepts Gra Lab 560 footswitch. UL listed.
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