Description Smart Contact Sensor Set the Smart Contact Sensor to trigger on the lights whenever the door is opened. The Smart Contact Sensor can be placed elsewhere like cabinets and drawers for more convenience. Receive instant alerts on a phone when a door or window is opened unexpectedly. The Hub can sound a siren to warn of danger and deter intruders. 1+year battery life provides long-lasting convenience, plus notifications are received from the Tapo app when the batteries are low and need changing. Know the Status Stop wondering if you closed all your windows after leaving home. Check on your doors and windows at a glance with the Tapo app. Turn Lights On Automatically Set your Smart Contact Sensor to trigger on the lights when you open your door. Go Beyond Just Doors and Windows Place the Smart Contact Sensor elsewhere like your cabinets and drawers for more convenience. Instant Push Notifications Receive instant alerts on your phone when a door or window is opened unexpectedly. The Hub can sound a siren to warn of danger and deter intruders. Long-Lasting Performance 1+year battery life provides long-lasting convenience. Receive notifications from the Tapo app when the batteries are low and need changing. Easy Installation Place it wherever you need with our tool-less installation. The gap between the sensor and magnet (up to 15 mm) fits most doors, windows, and other fixtures. All in One App Experience your next-level smart home with the Tapo line all in a single app. Create a more secure, convenient, and comfortable living space for you and your loved ones. Features Features Window/Door Safeguard - Monitors the opening & closing of windows, doors, cabinets, the fridge, or the mailbox in real time. Instant App Notification - Is your parcel locked away? Find out immediately with instant notifications. Smart Action Support - Connect the actions with other smart devices for a welcome return home. Easy Installation - Mount to nearly any surface with included 3M adhesive. Great Compatibility - Just one part of the integrated Tapo ecosystem. Specifications Tapo T110 Data Sheet Quick Installation Guide TECHNICAL SPECIFICATIONS WIRELESS 868 / 922 MHz GENERAL OPERATING TEMPERATURE 0~40°C DIMENSIONS (H X W X D) 61.4 x 37.5 x 12.3 mm POWER REQUIREMENTS CR2032 Battery ENVIRONMENT OPERATING TEMPERATURE 0~40°C SYSTEM HUB REQUIRED YES HARDWARE INDICATOR LED YES Additional Information Product Videos How to Set Up Your Tapo Smart Contact Sensor (Tapo T110) How to Replace Battery How to Reset Remove Cover What's In The Box What's In The Box Qty 1 – Tapo T110 Smart Contact Sensor Qty 1 – Quick Start Guide Qty 1 – CR2032 Battery (pre-installed) Qty 1 – 3M Adhesive Pad