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20 mg (tested with Bio-Serv pellets) · 45 mg available
1.3 x 1.2 x 1.2 cm (W x H x D) · 1 cm above floor · Infrared sensor
1.6 cm · 1 cm · Stainless steel
Active responses · Reinforcers earned · Breakpoint (progressive ratio)
0.1mg - 240mg N · ≥99.5% · 1 million groups