Features:
1) Energy-saving
2) Remote control distance: 120 - 150m
3) With 12 different rings for your option
4) With LED flash light to help the persons whom could see clearly
5) Weather resistant transmitter
6) 19,683 sets of non-repeated coding (or 256 resettable code) available to
ensure free from interference
7) Frequency: 433.92MHz, 315MHz
8) RX: 3pcs 1.5V R6 AA (not included)
9) TX: 1pc 12V 3LR50 23A (included)
10) Sound level: 85dB