If the connection between the data logger and the computer is disconnected, data can be saved for up to 11 h.
Direct raw data transmission (BITSz engineering GmbH, Zwickau,Germany) takes place via bi-directional radio transmission
at a frequency of 2.4 GHz. Thereby, live observation and constant monitoring of feeding behavior in real time is possible. The system is powered by a rechargeable 3.7 V, 2.7 Ah lithium-ion battery which allows up to three weeks of uninterrupted recordings