Here's what other sites are saying:
In the event of an avalanche emergency, simple and reliable equipment is a must. With the Arva Pro+ 2. 80 Probe packed in your backcountry kit, you can be confident that you'll be ready to go in an emergency. The automatic locking system allows for quick and reliable assembly while markings every 5cm allow you to accurately gauge depth, and the 7075 aluminum shaft is durable without being unnecessarily heavy.