Wireless Flashing Music Doorbell with Light for Home, Office, Elderly, and Hearing Impaired Features: 1. Designed with elegant polished finish for a sleek and modern appearance. 2. Seven-color flashing lights add visual appeal and provide clear notification, making it suitable for individuals with hearing difficulties. 3. Receiver operates on 3 x AA batteries (included), portable and easy to use. Transmitter uses 1 x AAA battery (included), convenient to replace. 4. 16 selectable melodies allow for personalization to meet individual preferences. 5. Strong anti-interference performance ensures reliable signal transmission. Operation: 1. When the outdoor button is pressed, the transmitter emits a blue light and the receiver plays the selected melody with seven-color flashing lights. 2. Three operating modes: flash only, sound only, or sound and flash simultaneously. 3. Unique flashing design enhances accessibility for the elderly, hearing impaired, and those in need of visual alerts. Specifications: Color: White Model: TMT-288 Dimensions: 9 x 6.2 x 3.3 cm Power Supply: Battery operated Voltage: 4.5 V Chime Type: Melody music Power Consumption: 1 W Application: Suitable for home, office, elderly care, hearing impaired individuals, and patient call systems Package Included: 1 x Wireless Doorbell Set (Transmitter and Receiver) Notes: 1. Due to differences in monitor displays, the actual product color may vary slightly from images. The style, however, matches the photos shown. 2. Please allow 1–3 cm variation due to manual measurement. Thank you.