Heasound Impaired Doorbell, sounds Doorbells with Seven Color Flashlight, Wireless Classroom Doorbell for Home Patient Elderly Deaf Caller

Specifications:Wireless Frequency: 433MHZWireless Distance: 200 meters (in the open space)Voltage: 4.5VVoltage: 4.5VBattery: 12V 23A (Included)sound tones: 32Power consumption: 0.5WPackage Weight: 146g/5.1ozPackage List:1 x Wireless Button Door Bell2 x Sticker1 x Installation Kit1 x User ManualNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordesound.

• WIRELESS CONTROL: Experience 200m/656ft reception distance with 433MHz frequency, ideal for classroom doorbell setups. 32 melodies with 5 adjustable volume levels ensure clear alerts even through walls
• MULTI-MODE work: Features bedroom doorbell functionality with Music/Flash/Combo modes. 7-color LED flashing effects (0.38m/15in light range) enhance visual alerts for heasound-impaired users
• DEAF-OPTIMIZED DESIGN: Remote doorbell wireless system includes 12V 23A battery (included). Certified safe with 0.5W low power consumption, specifically developed for elderly deaf patients
• INTERFERENCE INDEPENDENT PERFORMANCE: Indoor door bells operate on anti-jamming technology. Package weight 146g/5.1oz with reset function (20-second button press for LED reset
• VERSATILE HOME SOLUTION: Teacher doorbell compatible with home use. Includes installation kit and 2 stickers (4.5V work)