Ajax WaterStop, water valve with remote control, automation scenarios after flood detector alarm, DN15 (1/2?), DN20 (3/4?), DN25 (1') RuB ball valve, up to 3 years battery life, up to 1100m wireless range without obstacles, optional connection of third-party power supplies, pairing via QR code, incl., 4x CR123A batteries (pre-installed), DN15, DN20, or DN25 RuB ball valve (depending on the selected kit, 2 locks for attaching the electric actuator, quick start guide