TP-LINK Tapo T110 Smart Contact Sensor

Window/door protection – monitors the opening and closing of windows, doors, cabinets, refrigerators, or mailboxes in real time.
Instant app notifications – Is your package locked? Find out immediately with instant notifications.
Smart action support – Link actions with other smart devices for a welcome return home.
Easy installation - Mount on almost any surface with the included 3M adhesive.
Excellent compatibility - just one part of the integrated Tapo ecosystem

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
SYSTEM
Required node Yes
ENVIRONMENT
Operating temperature 0~40°C
PACKAGE CONTENTS
Package contents Tapo T110
Quick start guide
CR2032 battery x 1
3M adhesive
HARDWARE
LED indicator Yes