1x battery CR2032, Double-sided adhesive tapes, Screws and 1x user manual. Doorbell RGB lights flashing can help people with hearing impaired. IP65 Waterproof & Durable: IP65 Door Bells Wireless Cordless can withstand the harshest weather (-4 °F to 140 °F), regardless of scorching heat, heavy rain, or snowstorms.
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