Wireless Strong Flash Music Doorbell for Elderly and Hearing Impaired with Illuminated Light Features: 1. Designed with elegant polished finish, offering a sleek and modern appearance. 2. Seven-color flashing lights add visual appeal and make it ideal for individuals with hearing impairments. 3. Receiver operates on 3 AA batteries for portable use; easy to install and replace. Transmitter uses 1 AAA battery for convenient power supply. 4. 16 selectable melodies allow for personalization to suit individual preferences. 5. Strong anti-interference performance ensures reliable operation. Operation: 1. When the outdoor transmitter button is pressed, the transmitter emits a blue light and the receiver plays the selected melody with synchronized seven-color flashing lights. 2. Three working modes: Flash only, Sound only, or Sound and Flash simultaneously. 3. Unique flashing light design enhances accessibility for the elderly, hearing-impaired individuals, and patients. Specifications: Color: White Model: TMT-288 Size: 9 x 6.2 x 3.3 cm Power Supply: Battery powered 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 Notes: 1. Due to differences in monitor displays, the actual product color may vary slightly from the images shown. The style will match the pictures provided. 2. Please allow 1–3 cm variation due to manual measurement. Thank you.