E2S Warning Signals offers a comprehensive range of explosion-protected sirens, xenon strobe lights, LED lights, loudspeakers, pushbuttons and signaling points for hazardous areas. The GNEx family with GRP housing and IP66 sealing is approved for hazardous zones 1, 2, 21 and 22 in accordance with IECEx and ATEX. The visual signals of the device family have a xenon strobe light source with 5, 10, 15 or 21 joules and offer an intensive light output of over 900 cd for bright ambient light or signals over long distances. The LED version has a light source with five flash frequencies: 1, 1.5 and 2 Hz as well as double and triple flashes. In addition, a high and low power sleep mode can be selected for status indications. All "GNEx" visual signals use a UV-resistant polycarbonate prismatic lens in a choice of amber, blue, clear, green, magenta, red and yellow. The sirens have an output power of 123 dB(A) at 1 m. They are available with either flared or radial alarm horns, have 64 built-in tones and offer four levels, the first two of which are independently selectable. The manual call points are designed for manual activation of fire alarms, gas alarms and emergency shutdown devices and are available with break glass, push button and push button with tool reset and a range of standard accessories.