The device is designed for panel or 35mm DIN rail mounting. sinotimer-tm-630a-operating-manual.pdf - pic-control
Internal rechargeable battery (3V or 1.2V) saves programs for up to 60 days during power failures. sinotimer tm630s manual
Program neon lights or lamps to cycle while you're away to simulate presence. The device is designed for panel or 35mm DIN rail mounting