SINGCALL Motion Sensor Shed Alarm System Door Sensor Alert System Intruder Detector Alarm Kit for Shed/Garage/Garden/Shop 1 Plug-in Receiver(2.4Ghz Only) 1 Detector

SINGCALL Motion & Door Sensor Alarm System - Garage & Garden Plugin Kit, 1 Wifi Receiver (2.4Ghz), 1 Detector

SINGCALL Wireless Calling System Pager Call System Restaurant Paging Waterproof Watch APE6900

SINGCALL Signal Amplifier for Calling System, Enlarge Signal Coverage, Optional Accessory APE80