The Marsh MA1 is a beacon alarm panel designed with inputs for a float switch. When either switch is triggered, the alarm activates, causing the beacon to light up and a buzzer (not a klaxon) to sound.The MA1 is powered by mains electricity and includes a 48-hour battery backup for added reliability. It features a high-level alarm output and comes with a float switch on a 10-metre lead, making it an ideal choice for various applications.Features andamp; Benefits: 10-metre pipe for air pressure switch connectionPower lead includedInputs for both high-level float switch and pressure switch10-metre cable float switchBright beacon lights up when triggered48-hour battery backup