Smart Wireless Two-Way Voice Intercom Doorbell Access Control System for Home Security

Features:1.The operating frequency of this product complies with national regulations and will not cause harmful electromagnetic interference, which is universal worldwide.2.The outdoor doorbell is powered by 4 AAA batteries (not included), which are easy to replace.The indoor doorbell is used with an external USB data cable.3.Low power consumption, long standby time for the outdoor doorbell of up to 4 months.4.Large, adjustable speaker with clear voice; can be used as a mobile intercom.5.Long working distance; the maximum opening distance can reach 200 m / 656.2 ft.6. Easy installation, stick directly to the wall with adhesive tape.7.The outdoor doorbell pairs with the indoor doorbell by learning its code; one outdoor doorbell can be paired with two indoor doorbells without any interference between them.8.Made of high-quality ABS plastic, exquisite and small, beautiful and high-quality.Specifications:Condition: 100% Brand NewItem Type: DoorbellMaterial: ABS PlasticColor: As Pictures ShownOutdoor Bell:Voltage Range: 4 AAA Batteries (Not Included)Operating Temperature: -20-55℃Transmission Distance: Approx.200m / 656.2ft in open air, 5-50m / 16.4-164ft through obstructions Voltage Range: 5V 1AOperating Temperature: -20-55℃Transmission Distance: Approx.200 m / 656.2 ft in open air, 5 to 50 m / 16.4 to 164 ft through obstaclesPackage List:1 x Outdoor Doorbell 1 x Indoor Doorbell 1 x Screwdriver 1 x Manual 2 x StickersNote:Please note that the new and old types of this product will be sent randomly, and make sure you don't mind this before ordering.