wholesale wireless electronics of door chime 1, good design 2, long distance(300m) 3, waterproof (ip44) 4, CE, FCC, RoHs wholesale wireless electronics of door chime Forrinx wireless door chime advantages 1. Unique elegant appearance design(patent)2. Wire free, easy installtion, plug and play3. 52 classic music chimes4. Wireless distance reach up to 300m5. Excellent anti-interference performance, ...