Wireless Indoor Motion Sensor Doorbell Alert Chime For Business Entry Security. Introducing the Wireless Indoor Motion Sensor Doorbell – an Essential Device for Enhancing Security and Convenience in Both Business and Home Settings. This Versatile Sensor Detects Indoor Motion and Alerts You with a Chime Alarm, Making It Ideal for Shop Visitor Alerts or As a Simple Security Measure Against Intruders. Key Features: - Multi-Mode Operation: Choose from Voice, Alarm, or Music Modes to Customize Your Alert Preferences. - Adjustable Volume: Four Volume Levels Ensure You Receive Alerts at Your Desired Sound Level. - Variety of Tunes: Select from 32 Musical Options to Personalize Your Chime. - Effective Detection Range: Covers a Distance of 2-6 Meters with a Horizontal Detection Angle of 110° and Vertical of 15°. - User-Friendly: Easy Installation with Wireless Design and Simple Operation. - Dual Power Options: Operates on 3 AAA Batteries or a 9-15V Power Adapter (not Included). - Comprehensive Package: Includes a Remote Control, Double-sided Pad, and Screws for Installation. - Loud Alert: Emits Up to 90 DB Sound with a Flashing Blue Light for Clear Notification. The Sensor's Standalone Design Makes It a Convenient Addition to Any Environment, from Shopping Malls to Office Doors. Install Easily Following the Included Instructions and Enjoy Reliable Performance. Please Note, While It's Perfect for Indoor Use, It is Not Waterproof and Should Be Installed Accordingly. Technical - Working Current: <80mA - Dimensions: 80x50x75mm - Installation Height: 1.5m-2.5m - Wireless Frequency: 433MHz Enhance Your Security with This All-in-one Motion Sensor Doorbell, Providing Peace of Mind and a Welcoming Touch to Any Space..