SwitchBot | SwitchBot Contact Sensor | Real-time notification when there is something wrong @SwitchBotOfficial | Uploaded June 2021 | Updated October 2024, 1 hour ago.
Learn more: switch-bot.com/products/contact-sensor?utm_source=YouTube&utm_medium=video
Learn more: switch-bot.com/products/contact-sensor?utm_source=YouTube&utm_medium=video