Garmin HRM 200 Lights our DynaLock™ Trail poles are

our DynaLock™ Trail poles are not only light

while the molded heel and Velcro power strap team up for improved stability and power transfer

more powerful directional changes through a seamless connection between equipment and body

a better grip experience

Garmin HRM 200 Lights our DynaLock™ Trail poles areGeneral Status LED yes (bi color) Module dimensions (LxWxD) 2. 7" W x 1. 2" H x 0. 4"D (68. 0 x 31. 6 x 11. 0 mm) Size range XS S: Strap length: 22"28" (5672 cm) Fits chest size 23. 533. 5 (6085 cm) M XL: Strap length: 28"42" (72106 cm) Fits chest size 31. 547(80119 cm) Weight With M XL Strap: 2. 2 oz (63 g) Module Only: 0. 7 oz (20 g) Button Yes Water rating 3 ATM Battery type CR 2032 Battery life Up to 12 months (using 1 hour per day) Battery door