Service and maintenance remote control DO-2S for contact-free of the pre-set functions as (described in the WC and urinal control systems), plastic case (w) 60 x (h) 80 x (d) 25mm, with 2 x 1. 5V alkaline battery, with usage instructions for customer service and cleaning staff, packed in a box Attention! Limited to the following urinal control systems: infrared technology (series version 1), RL1 technology (series version 2) up to 2011