Scoreband Pro
Tech specs 
DimensionsSMALL/MEDIUM SIZE = 216mm (8.5") long X 16mm wide (wristband)
LARGE/XL SIZE = 241mm (9.5") long X 20mm wide (wristband)
Weight100 grams
Battery life1 year (Replaceable 3 Volt Lithium Battery - CR 2016)
Water resistance3 ATM ( Safe if exposed to rain or sweat, but moisture should be avoided or wiped away if present.)
Internal memory
DisplayYes
Sensors
Smart watch compatible
Removable
Compatible brands
Metrics 
Power
Spin
Impact location
Number of shots
Shot type
Spin type
Swing speed
Ball speed
Live tracking
Video function
OtherIncludes modes for Golf, Tennis, All Score, Time plus new Stop Watch Mode and "DATABAR" feature. Golf Mode acts as a Shot-by-Shot digital scorecard for hole and round with Front 9/Back 9/Total post-round review. Tennis Mode provides point-by-point scorekeeping with Set View, Match Summary, Serve Indicator and Tie-Break scoring option. All Score Mode provides point-by-point scorekeeping and post-game summary for any sport (also perfect for keeping golf statistics or other counts).
Links 
View onAmazon
Amazon US rating3.1 out of 5 stars
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