Wireless Welcome Doorbell Infrared Detector Security Alarm For Office Spaces Use
Feature: \n 1. MOTION SENSOR: Wireless welcome doorbell alarm, using sensor to detect motion and send signals to the receiver, with the option of selecting at least one transmitter.\n2. MULTIPLE RINGTONES: The receiver adopts a doorbell design, with 22 different ringtones for individual preference, and 8 doorbells for retail business use.\n3. WIRELESS DISTANCE: This wireless doorbell can be transmitted from a long distance, with an open space of up to 280 meters, suitable for larger locations or higher floors.\n4. MULTIPLE FUNCTIONS: Motion activated sensor ringtone, door alarm, email alert, and added silent strong vibration reminder, which is suitable for private or quiet places.\n5. APPLICABLE PLACES: This motion sensor doorbell is suitable for shopping malls, office spaces, factories, hotels, high end clubs, homes, villas, etc., simple and practical. \n\nSpecification: \n\nItem Type: Wireless Doorbell\nModel: KS SF20R\nReceiver Battery: 3 x 3V AA alkaline battery (not included)\nI:
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