We are a manufacturer of Turbo Timer / Switch Relay / Car Alarm / Ampare 30 - Ã ¸ 52mm / Ampare 50 - Ã ¸ 52mm / Oil Pressure - Ã ¸ 52mm / Water Tempressure - Ã ¸ 52mm / Volt Digital - Ã ¸ 52mm / Battery....