Feature

Wristband Size : 8.5 " . NOTE - Measurements taken from the LAST HOLE to the END OF RUBBER next to buckle (not from end to end).
Speed and distance GPS sensor with adjustable armband and user replaceable "A" battery
Designed for indoor/outdoor crossing training
Calculates speed within 0 to 18.3 miles per hour
Operates on 5kHk transmission and uses SiRF Star III technology for accurate GPS readings
Compatible with Polar RX300, FT80, and FT60 training computers
Brand : Polar
Item model num : 91036871
MPN(PartNumber) : 91036871
EAN : 4250355511911
Product Dimensions(LxWxH) : 7x7x3cm ; 200 g
Package Dimensions(LxWxH) : 30x10x5cm ; 200 g