Halma develops, designs and markets a range of products for the protection and improvement of human lives. The company serves individuals and business clientys throughout the world. It manufactures a variety of audiovisual warning devices and fire and smoke detectors. The company also provides has sales offices in Europe, Africa and Asia, as well as the United States. It designs and develops elevator and lift door safety sensors. The company also offers a selection of sensors for automatic door. It provides security sensors through Texecom. Halma operates Apollo Fire Detectors, Fire Fighting Enterprises, Janus Elevator Products, and Air Products and Controls.