Dual Conductr Resis Mon 2 Opratrs 2 Mats ,Each

Details:

Dual conductor resistance monitor^ dual conductor continuous resistance monitor, ohm metrics, dc power supply: 7-15 vdc, 100ma, ac input: 100-240 vac, 1a, temperature limits: 50 deg f to 122 deg f, dimension: 4in w x 3in d x 1in h, with 2 wrist straps/persons 2 mats