Take your ride to the next level with the Edge 305 - Garmin's GPS-enabled, personal trainer and cycle computer. From competitive road racing to mountain biking, the cyclist-friendly, lightweight Edge will help you achieve your personal best. With the easy-to-use Edge 305 on your bike, you'll always know where you're going and how far you've gone.
For advanced cyclists, the Edge 305 comes packaged with a heart rate monitor and wireless speed/pedaling cadence sensor to provide valuable feedback. In addition, the Edge 305 incorporates a barometric altimeter for extremely accurate elevation and vertical profile data.
The Edge 305 with heart rate lets you see whether you are training too hard or not enough. The heart rate monitor uses a robust wireless technology that eliminates cross-talk and interference and sends heart rate data to the Edge via a soft, comfortable chest strap. This data is stored with each track point for post-workout analysis.
The Edge 305 with cadence includes a self-calibrating, wireless speed/cadence sensor so you can monitor your pedaling cadence as you ride. Like the heart rate monitor, the speed/cadence sensor uses the same robust wireless technology to measure and report your pedaling strokes per minute.

GPS: High-sensitivity SiRFstarIII™ receiver

Antenna: Built-in patch GPS antenna

Weight: 88 g, 3.1 oz.

Display: 2.97cm W x 3.66cm H, 128 x 160 pixels, 4-level grayscale LCLD with backlighting

Unit dimensions: 4.45cm W x 9.4cm H x 2.29cm D (44 x 94 x 23mm)

Waterproof: IEC 60529 IPX7 standards (submersible in one meter of water for up to 30 mins.)

Battery: Up to 12 hours (typical use); rechargeable internal lithium ion

Track log: 13,000 track points

You get:

Edge™ 305 with heart rate monitor & speed/cadence sensor

Bike mount

Training Center CD

A/C charger

USB PC interface cable

Quick reference guide

Owner's manual