WIKA wireless remote control system focuses on mobile machinery, which is more suitable for the working conditions and environment of cranes, aerial work platform, concrete machinery, excavators, pavers and other construction machinery. • Conform to the PLd safety class of EN13849 • 4.3-inch TFT true color display suitable for outdoor conditions, clearly visible in the sun • Equipped with lithium battery, battery life: more than 20 hours (without display screen), more than 9 hours (with display screen) • The pluggable smart key supports ID storage and automatic identification. • Radio band: 433.05mhz-434.79mhz (32 channels) • Power on Protection • Automatic shutdown: (set 1 ~ 30 minutes) • Optional weight loss, shock and fall-down protection • The maximum alarm tone is 85 dB (at 30cm) • Five indicator lights (max)