5 x 100 mAh loggers for sale,
12mm x 30mm x 8mm (W L H), Weight = 2.2 grams
£175 each including 3 x chargers, 2 x cables for connecting to computer and logger software
(price when new = £460 (inc VAT)
Used on seabird tracking project summer 2013, now no longer required. Photos attached.
For further info. please contact: firstname.lastname@example.org