A beautifully simple performance monitor for rowing. If you don't already have a wireless charger that you use for your phone, you will need to buy one to charge the Splitscreen. You can add one to your order here, or pick one up from Amazon etc that is Qi or Magsafe compatible. This store is is for UK orders only. EU customers can pick one up here. The rest of the world is in the works. Market leading hardware: 20 Hz GPS (multi constellation augmented GNSS) Ultra clear optically bonded glass display compatible with polarised sunglasses 200 Hz accelerometer for stroke rate 15 hour battery life (10 with backlight on) which is about 1.8x the leading competitor. 33 grams Wireless charging Pitch gauge Manual rate meter and speedo Buoyant 44 x 44 x 21 mm Simple design: No wifi/bluetooth/USB etc. The weight, buoyancy, price and battery life are all possible because it doesn't have these features. Displays 2 or 3 data fields at one time (SPM, split /500m, distance metres, time) choose by pressing one button Large clear numbers on screen Programable workouts (single time or distance) Memory shows last 7 pieces plus quarterly splits of programmed workouts Completely sealed Automatic backlight Twist lock mount Auto-off after ten minutes of no strokes detected Auto-start when a stroke is detected The battery has capacity to spare which we use to intelligently maximize charging cycles while delivering best-in class battery life, because you’ll want to use it for years to come. Includes: Splitscreen Carry case Lanyard with adjustable buckle Velcro strap mount M6 straight mount Adhesive tape mount A charger is not included. The manual is available here.