Best Z Wave Door Sensor

Ring Alarm Outdoor Contact Sensor

Ring Alarm Glass Break Sensor

Aqara Door and Window Sensor Kit - 3pcs (Aqara Hub is Required), Zigbee, Wireless Mini Contact Sensor for Alarm System and Smart Home Automation, Compatible with Apple HomeKit, Alexa, Works With IFTTT

Yale Mini Door/Window Contact - Sync Alarm Accessory - Discrete and Stylish - 200m Range - Works with Alexa, Google Assistant and Philips Hue

Tapo Smart Contact Sensor, Real-Time Monitoring Smart Window & , Instant Push Notification,Battery included,Easy Installation,Work with Alexa,Tapo Hub Required separately(TapoT110), packaging may vary

TECKNET Door Alarm Sensor, Window Alarm Sensors, 2-in-1 Alarm & Chime, 3-level Volume Control, Door Sensor Alarm for Home Security, Wireless Burglar Alarms for House, Shop, Office, Garage (6 PCS)

Door Window Alarm 4 Pack Noopel Home Security Ultra-Slim Wireless Magnetic Sensor Burglar Anti-theft 120DB Alarm with Batteries included - DIY EASY to Install (4)

SOMFY - IntelliTAG Anti-Intrustion Sensor Alarm - Pack of 5 | Window & Door Sensor | Vibration/Opening Sensor | Tamper-proof | 1-Year Battery Life (AAA Battery) | Incl. Phone App - White

VOXON Wireless Door and Window Alarm Sensor 2 Pack 2 Modes Magnetic Window Door Burglar Alarm with 120dB Loud for Kids Safety Home Shop Security

SmartThings Aeotec Zigbee Motion Sensor - automatic control of light integrated temperature sensor, compatible with Echo Plus and Philips Hue.