Features: Turn equipment on & off at any location via GSM mobile phone. Applications: turn on lighting, heating, open your gate, simulate presence, control animal feeders, activate car alarm, etc... Ring detection circuit avoids phone charges. No need to open or modify phone, no physical connection to mobile phone. Works with most GSM mobile phones.

Specifications: Dual operation mode on/off toggle or on with auto turn-off timer. Timer settings 0.5s, 2s, 30s, 1min, 10min, 15min, 30min & 1 hour. NO/NC 3A relay output. Power supply 12Vdc/100mA. Dimensions 4.0” x 1.7” x 0.9”