G2 E-Mitter
Parameters: core body temperature and gross motor activity. A smaller version of the TA E-Mitter sized especially for mice.

G2 HR E-Mitter
Parameters: heart rate, core body temperature and gross motor activity. Smallest E-Mitter available with heart rate.

TA E-Mitter
Parameters: core body temperature and gross motor activity

HR E-Mitter
Parameters: heart rate, core body temperature and gross motor activity

ER4000 Energizer/Receiver
Powers the E-Mitter and receives measurement data back; conveniently fits under most standard lab animal cages.