Ejoyous Doorbell with Voice Intercom, Smart Wireless Voice 2-Way Door Intercom System Access Control System Home Security, Clear Adjustable Speaker Waterproof Entry Intercom for Home

• [4 Months Super Long Standby Time]: The frequency of use of this entry intercom is in accordance with national regulations and will not cause harmful electromagnetic interference, which is universal worldwide. Low power consumption, long standby time for outdoor‑bell up to 4 months
• [Easy to Install]: Outdoor‑bell is power supplied by 4pcs AAA battery (not included), easy to replace the battery. Indoor‑bell is used with an external USB data cable. Simple installation, you just need to follow the instructions to simply install on the wall
• [Clear Voice& Adjustable Speaker]: Big and adjustable speaker, clear voice, can be used as mobile interphone. Our loudspeaker has a powerful and user-friendly design, with adjustable sound cleaning, to take care of the elderly at home, without worrying about not hearing the ringtone or hearing the sound
• [Long Working Distance]: Long working distance, the maximum open distance can reach 0-50m. The doorbell wireless is suitable to house, factory, hotel, hospital, super market and office. The intercom doorbell is protable and beautiful, convenient to use
• [How to Work]: Press the room to room intercom on outdoor-bell, indoor-bell will ring, now hold Answer Button on the indoor-bell to speak

Feature: 1. The frequency of use of this product is in accordance with national regulations and will not cause harmful electromagnetic interference, which is universal worldwide. 2. Outdoor‑bell is power supplied by 4pcs AAA battery (not included), easy to replace the battery. Indoor‑bell is used with an external USB data cable. 3. Low power consumption, long standby time for outdoor‑bell up to 4 months. 4. Big and adjustable speaker, clear voice, can be used as mobile interphone. 5. Long working distance, the maximum open distance can reach 200m / 656.2ft. Specification: Condition: Brand New Item Type: Door Bell Material: ABS Plastic Color: As Pictures Shown Outdoor-Bell: Voltage Range: 4 x AAA batteries (not included) Working Temperature: -20-55℃ Transmission Distance: Approx. 200m / 656.2ft in the open, 5 - 50m / 16.4 - 164ft in obstacles Working Frequency: 467.6375MHZ Working Time: 4 Months Waterproof Level: No Waterproof Function Indoor-Bell: Voltage Range: 5V 1A Working Temperature: -20-55℃ Transmission Distance: Approx. 200m / 656.2ft in the open, 5 - 50m / 16.4 - 164ft in obstacles Working Frequency: 467.6375MHZ Waterproof Level: No Waterproof Function Package List: 1 x Outside Doorbell 1 x Inner Doorbell 1 x Screwdriver 1 x Manual 2 x Sticker Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.