2 Pack Wireless Intercoms for Home – Bidirectional Voice Communication System with Ultra-Long Range Features: Long-Range Communication: This wireless two-way intercom system offers a tested range of up to 300 meters. It maintains clear audio transmission through walls and floors, supporting communication between floors 1–8. Suitable for home, office, or caregiver use. Slim and Sleek Design: With a profile of only 18mm, it is thinner than most comparable models. Features a high-gloss UV-treated surface and a plastic + silicone button structure for enhanced tactile feedback. Intelligent and User-Friendly: Includes visual indicators for talk status and battery level. Comes with a dedicated charging dock for convenient, reliable recharging. High-Capacity Battery: Powered by an 1800mAh polymer lithium battery. Provides approximately one week of operation under typical usage (5 calls per day, 30 seconds each). Standby time is 3–5 days. Versatile and Adjustable: Supports dual operating frequencies (462MHz and 434MHz) to minimize interference. Offers 38 ringtones and three adjustable volume levels for both ringtone and call audio. Note: Both units must be used together; they are not functional as standalone devices. Specifications: Power Supply: 1800mAh polymer lithium battery Input Power: DC 5V / 1A Operating Temperature: –20°C to 55°C Transmission Distance: Up to 1000 meters in open space; 20–100 meters through walls/floors (floors 1–8) Operating Frequencies: 462MHz (B-band), 434MHz (A-band) Battery Life: Approx. 1 week per full charge Charging Time: Approx. 5 hours Standby Time: 3–5 days Volume Control: 3-level adjustment for ringtones and call audio Ringtones: 38 options Color Options: Black, White Product Dimensions: 11.6 × 5.6 × 1.8 cm (4.6 × 2.2 × 0.7 in) Charging Dock Dimensions: 7 × 5.6 × 2.9 cm (2.8 × 2.2 × 1.1 in) Note: Two units required for operation — cannot be used individually. Due to variations in display screens and lighting conditions, actual product color may differ slightly from images. Package Includes: 2 × Indoor Intercom Units 2 × Charging Docks 1 × 2.0 mm Screwdriver 1 × Charging Station Cable 1 × Host Charging Cable 1 × User Manual 1 × Strong Adhesive Mount