Wireless door notification light (main unit x 2 units) Light/buzzer/light + buzzer TAL20 1 set (2 pieces)

It will detect if there is someone on the other side of the door and let you know. You can know and be notified in advance of the possibility of the door opening. Attach the door by clamping it with the magnet on the back of the unit. You can choose from three notification methods: light only, buzzer only, or light + buzzer. An auxiliary mounting plate with holes for wall mounting is included. It can also be used with just one unit (single mode). *This product is for indoor use. It is not waterproof or dustproof. *The detection angle and detection distance may vary depending on the usage environment. Detection angle: Horizontal/approx. 120°, Vertical/approx. 110° *Depends on usage environment. Detection distance: When moving towards the main unit: up to 1.5m, when moving across the front of the main unit: up to 4m *Depends on usage environment. External dimensions: Approximately 140 x 75 x 105 mm per unit Material: Main body/display sheet cover: ABS Main body light guide parts/mounting support plate: PC Weight: Approx. 300g per unit (excluding batteries) Power supply: 4 x AA alkaline batteries per unit (sold separately) Battery life: Approximately 2 years (when the sensor detects 30 times per day) *Depends on usage conditions. Set contents: TAL20 main unit (2 units) / Display sheet (2 types, 2 sheets each) / Installation support plate (2 sheets) / Instruction manual (with warranty)