Wireless Doorbell Model N9k1T2W A compact, flexible wireless doorbell designed for straightforward installation and reliable performance. Suitable for homes, small offices, and outdoor entrances where weather resistance and adjustable sound levels are important. Key benefits Flexible power options: supports AC and DC power supply modes and a DC battery model option for locations without a hardwired connection. Wide voltage compatibility: works with 110 to 260 volt power supplies for use with common electrical systems. Long range and reliable signal: designed for coverage up to 300 meters in open conditions to reach remote receivers. Weather resistant transmitter: IP55 rated transmitter protects against dust and water spray for outdoor mounting. alerts: 55 selectable ringtones and a wide volume range from 0 to 100 decibels to adapt to different environments. Low energy use: minimal power consumption for prolonged battery operation or reduced electrical load. Features and performance Model and item number: N9k1T2W for easy identification and compatibility checks. Power supply mode: AC and DC supported; DC battery model available. Power supply voltage: 110 to 260 volts for broad electrical compatibility. Ringtone options: 55 selectable melodies to match user preference or situational needs. Volume control: adjustable from 0 to 100 decibels to fit quiet indoor spaces or louder outdoor areas. Power consumption: 0.2 (specified value as provided). Effective application range: 300 meters in open line of sight conditions. Transmitter protection: IP55 waterproof level suitable for sheltered outdoor placement. Color: white, with a compact, unobtrusive appearance. Why this doorbell solves common problems No wiring in many installations: battery or wireless operation avoids complex rewiring for older buildings or rented properties. Works across a wide electrical range: compatible with various power systems to simplify installation. Addresses outdoor exposure: IP55 transmitter reduces risk of damage from weather at entries, gates, and porches. Clear and adaptable notifications: choice of 55 ringtones and large volume range let users tailor alerts for hearing needs and ambient noise. Typical use scenarios Home front door: mount the transmitter by the entrance for reliable notifications with the receiver placed inside the living area. Adjust volume and ringtone to suit household needs. Small office reception: use the unit to notify staff of visitors while maintaining a professional sound level. The long range helps cover multiroom layouts. Outdoor gate or backyard entrance: install the IP55 transmitter outdoors where it will withstand spray and dust while sending alerts to receivers inside the building. What you get Wireless doorbell system, model N9k1T2W, white finish. Flexible installation choices including AC, DC, and battery operation. 55 ringtone options and volume control from 0 to 100 decibels. Transmitter rated IP55 for outdoor use and an effective range up to 300 meters. Compatibility notes Works with 110 to 260 volt power supplies and offers a DC battery model for nonhardwired setups. Item and model identifier N9k1T2W should be used for matching accessories or replacement parts. This description reflects the product specifications and intended uses for model N9k1T2W without adding or omitting technical details.