£ 0.71 per day

Bat 4 bat detector. Detect bats by the pitch of their ultrasonic cries. Includes instructions that tell you which bats use which frequencies.

May also detect Batman/Batwoman/Batgirl if they nearby, but this isn't guaranteed.

We include 4 fully-charged, rechargeable AAA batteries. Can be swapped for fresh batteries at any BayShare session, while the device is still under loan.