The PULSAR Dome Alarm is a Wireless Keypad Controlled PIR Security Alarm. It can be set to operate as a 130dB alarm or chime to announce visitors. PIR motion detector alarm which triggers a powerful 130dB siren when movement is detected. Ideal for homes, sheds, garages, storerooms, caravans and boats. 120° wide angle detection with all directional mounting bracket. Easy installation.