... to install and operate Function And Characteristic >BS35 build-in tubular motor connect with power directly, no extra out-set ... board inside a separate sealed box, reliable and safety, built inside motor.>2. Shock-proof relays, specially for tubular motor ... °C~+85°C.>4. SMT machine automatic assembly, damp-proof craft.>5. Compatible with all Boosly electronic devices. CE built -in automatic motor