Experience seamless communication and enhanced security with our Wireless Intercom Doorbells, designed for versatile use in homes, hotels, villas, factories, hospitals, and more. Crafted from durable ABS material, this wireless intercom system features an impressive barrier-free communication distance of up to 1,000 meters without the need for internet or wiring, allowing easy installation and immediate use. Key Features: · Wide Application: Perfectly suited for residential and commercial environments including homes, hotels, villas, factories, and hospitals, offering reliable and convenient intercom communication. · Long Wireless Range: Achieve clear, barrier-free voice transmission up to 1,000 meters, supported by a special intelligent intercom chip with strong penetrating power, effective from the 1st floor to the 8th floor. · Intelligent and User-Friendly Design: Equipped with intercom light and power light indicators that provide clear operational status at a glance for simple and intuitive use. · Extended Battery Life: Both outdoor and indoor units use built-in rechargeable 2000mAh lithium batteries. The outdoor doorbell can operate for about 8 months under typical usage (pressing 5 times and talking 2 minutes each time per day), while the indoor unit lasts approximately 1 week per charge. · Robust Build and Weather Resistance: The outdoor unit is IP54 waterproof rated, ensuring durability and reliable performance in various weather conditions, with a working temperature range from -20℃ to 55℃. · Convenient Wireless Frequency: Operating at 410-490MHz, the system ensures stable and interference-free communication. Specifications: Outdoor Doorbell: · Material: ABS · Battery: 2 x Built-in Rechargeable Lithium Battery 2000mAh · Wireless Distance: 1000m (Barrier Free) / 20-50m (With Barrier) · Wireless Frequency: 410-490MHz · Working Temperature: -20℃ to 55℃ · Waterproof Grade: IP54 · Size: Approx. 121.5 x 61.5 x 31.3 mm (4.8 x 2.4 x 1.2 in) Indoor Doorbell: · Material: ABS · Working Hours: About 1 week per charge · Waterproof Grade: Not applicable · Size: Approx. 125 x 70 x 56 mm (4.9 x 2.8 x 2.2 in) Package Includes: · 1 x Wireless Outdoor Intercom Doorbell Unit · 1 x Wireless Indoor Intercom Doorbell Unit This Wireless Intercom Doorbell system offers a practical, efficient, and hassle-free communication solution without installation complexities. Its long range, intelligent features, and durable construction make it an essential device to enhance connectivity and security in various environments.