This wireless batteryless transmitter push-button head is ideal for situations where quick actions are required for a process or machine to function correctly or where operator movements require maximum ergonomyIt is clearly distinguishable visually at a distance thanks to its clear colorIt is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP30 and IP65, making it ideal for operation in harsh environmentsIt is easily combined with Harmony range of contact blocks to perform a large variety of control functionsThe cap is red