When you need accurate heart rate and heart rate variability (HRV) data, the HRM 200 heart rate monitor is there to capture it all. FEATURES: Training Versatility: Move how you choose. This monitor provides accurate heart rate data for all your activities, including running, indoor and outdoor cycling, strength training and more. Connectivity: The HRM 200 heart rate monitor sends accurate real-time heart rate and HRV data to your compatible Garmin smartwatches and Edge® cycling computers, compatible fitness equipment, the Tacx Training™ app and other apps. Comfortable Wear: The small, lightweight heart rate module fits within the width of the soft, comfortable strap. It comes in 2 sizes (XS–S and M–XL), so you can choose the ideal fit for your body. Functional And Durable: The LED light lets you know when HRM 200 is awake and ready to go — or when the battery is running low. With the button, easily wake and pair your heart rate monitor. Plus, HRM 200 is durable with a 3 ATM water rating. Battery Life: Don’t worry about running out of juice. The HRM 200 monitor comes with a user-replaceable battery and gets up to 1 year of battery life. Machine Washable: Cleaning it is simple. Just remove the module and toss the strap into the washing machine. SPECS: 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" (56–72 cm) Fits chest size 23.5–33.5” (60–85 cm) M-XL: Strap length: 28"–42" (72–106 cm) Fits chest size 31.5–47”(80–119 cm) Weight: With M-XL Strap: 2.2 oz (63 g) Module Only: 0.7 oz (20 g) Water rating: 3 ATM Battery type: CR 2032 Battery life: Up to 12 months (using 1 hour per day) Battery door type: Quarter-turn (tool built into strap slider)