The RC-188J is mainly used as a wireless panic or emergency button. It is designed to be a remote control for setting/unsetting an alarm system or remotely controlling other appliances. It provides tamper contacts and monitors the voltage of its battery. The system reaction to button activation is optional. The basic reaction is a panic alarm or setting/unsetting the system (selectable). Other reactions can be chosen in control panel service mode.

Specifications
- Power: alkaline battery type L1016 (6 V)
- Typical lifetime: approx 3 years
- Communicating protocol: 868 MHz
- Radio coverage: approx. 300 m (open area)
- Dimensions: 80 x 80 x 29 mm
- Security level: grade 2, EN 50131-1, EN 50131-5-3