RF Clicker, Interactive classroom aid, programmable channel - Select a channel in less than five seconds, indicating session choice - Select a channel anytime - even when a session is underway
Average battery life is 6 to 12 months
Two coin cell CR2032 (3.0V) lithium batteries included
200 foot range (400 ft. coverage)
RCRF-03 - Works on all Turning Technologies RF systems along with RCRF-01 and RCRF-02.