2PCS 95dB Extra-Loud Telephone Ringer Phone Ring Amplifier Ringing Help Strobe Light Bell Sound Landline Ringer Sound Ringtones sold2025 Working temperature: -25C~+75C

Working temperature: -25C~+75C

If you are going on running

Ruling: Planner

10' Each of 12 Solid Colors (120' Total)

2PCS 95dB Extra-Loud Telephone Ringer Phone Ring Amplifier Ringing Help Strobe Light Bell Sound Landline Ringer Sound Ringtones sold2025 Working temperature: -25C~+75C2PCS 95dB Extra Loud Telephone Ringer Phone Ring Amplifier Ringing Help Strobe Light Bell Sound Landline Ringer Sound Ringtones Installation: 1. Please connet the C O ring plug with ringer's jack. 2. The ringer's plug connet with telephone. 3. There are high,low switches for your selections. Product Features Note: There is no cable in our package, you can use your older one. The instruction is in our image, very simple to use. If you have any further