Wireless Intercom Door Bell IP54 Waterproof Electronic Bell for Home Classroom 3 Gears Sound Adjustment

Feature: 1. WIRELESS DISTANCE: Wireless voice intercom door bell, transmission distance up to 1000 meters in open spaces, partition wall 20‑50 meters, 1st to 8th floors. 2. LITHIUM BATTERY: Equipped with 2000mAh lithium battery, the outdoor bell can work for about 8 months, and the outdoor bell can work for about 1 week. 3. COMFORTABLE TOUCH: The intercom door bell adopts excellent buttons with high gloss UV technology on the surface, ensuring a comfortable feel and texture. 4. MODE SWITCHING: 0 gear indicates shutdown, supports A and B gear frequency switching, supports ringtone call mode and intercom mode switching. 5. USER FRIENDLY DESIGN: The intercom door bell is smart and user friendly design, equipped with intercom light and battery light display, which is clear and intuitive. 6. 2 CHARGING MODE: The outdoor intercom supports DC (no need to remove waterproof cover) and charging base charging, which is efficient and convenient. Specification: Item Type: Wireless Intercom Door Bell Product Model: H8 Material: ABS Single Power Supply Battery: 1 x lithium ion battery 2000mAh (built in) Application: Widely used in household, office, laboratory environment, medical treatment, etc. Basic Parameters: Working Temperature: 20 celsius 55 celsius Transmission Distance: 1000 meters in open space; 20 50 meters partition wall Working Frequency: 410M 490M Sound Adjustment: 3 Gears Adjustment Outdoor Waterproof Grade: IP54 2 Intercom Modes: 1. The default mode, press one of the internal phone internal call key, the other internal phone ring, hold down the TALK key, intercom talk. 2. The second mode, do not need to press the internal call key, directly hold down the TALK key to talk. 2 Modes Switching: Hold down the internal call button for 5 seconds and hear 3 drops. . Package List: 1 x Indoor Intercom Doorbell1 x Charging Base1 x Outdoor Intercom Doorbell (with Bracket)2 x Charging Cable (Color Random)1 x Screwdriver1 x Sticker1 x User Manual