The Lifebox alarm set for outdoor use, garages, and construction sites operates independently on solar energy. It deters intruders and alerts people in the vicinity. Included are a solar siren, motion sensor, door opening detector, and remote control. It features a robust polycarbonate protective casing, is UV-resistant, and can withstand temperatures from -30 °C to +55 °C. With a volume of 105 dB and a range of 100 meters without obstacles, it operates at a voltage of 3.7 V DC with a rechargeable solar battery.