2 working modes are available: single flashing LED light or sound and flashing LED. 3 volume adjustment levels: high, medium or low. 38 ringtones are available. The effective range of the receiver can reach 70 meters. The motion detection distance is 3-7 meters. It can be successfully used in your home, office, shop, hotel or other buildings. Ideal for alerting business owners who work in the background or out of sight when customers enter the store. It can also be used as a signal when your pet is ready to enter or exit. Applications: Entry alarm, burglar alarm, hallway alarm, animal detector, car alarm (indoor), warehouse monitoring, wardrobe alarm power supply, garage and tool shed monitoring, mailbox sensor, front door or gateway detection. Package includes: one plug-in electronic receiver, two motion detectors (powered by 3 AAA batteries, not included). Note: The data is all measured manually. Due to differences in light and display, there may be color differences. Please refer