Photoactometer (activity cage)
Most modern and a versatile instrument with modern state of art technology with 6 built in photocell and four digits DIGITAL COUNTER to indicate the horizontal activity. It also incorporates electric shocks of up to 100 V A.C. 0.2 mA indicated on a voltmeter for activating the animal. The counter is resettable. Complete nicely finished to work on 220/230 V, 50c/sec.