We have tested allot of what is known as rugged mobile phones. All phones had to have good battery, be shock proof, and waterproof. We have chosen 2 phones to stock for the builders phone. The Mann Zug S is a great simple phone and the Blackview BV5000, a great android tough phone. Both these phones meet the needs of any builder in Ireland. These phones are Waterproof which is the most important feature and are perfect not just for builders or construction workers, but also for farmers. Both phones are also dual sim.