Wahoo Trackr Heart Rate Monitor xTool M1 Batteries 1 Lithium Metal batteries

Batteries 1 Lithium Metal batteries required

With a design tailored for Vertical Honda 2-Stroke engines

This power supply also has a dust-proof rubber cover that protects your power station from dust and debris

coupled with 10 intelligent protection technologies

Motor and thermostat UL Certified

Wahoo Trackr Heart Rate Monitor xTool M1 Batteries 1 Lithium Metal batteriesAccurate, reliable, comfortable and connected, the Wahoo Trackr Heart Rate monitor offers athletes everything they need from a heart rate sensor to take their performance to the next level. Strap Length: Adjustable from 27" to 36" (68cm to 91cm) Maximum Chest: Fits up to 50" (127cm) chests Connectivity: ANT+ and up to three Bluetooth connections Supported Devices: iOS iPhone, iPad, Mac, Android devices, Windows Battery: Rechargeable Lithium Ion