Features: Support: 2G; 3G; 4G; Relay Close for Time G202 PLUS: 0-999s, G203: 0-9999s;. Input voltage: DC9V-36V; One output with relay (3A/240VAC) This gate opener with ABS casing, good insulation, especially suitable for industrial control applications. Small size and support for wall mounting. Support remote restarting, can be operated from anywhere. Suitable for door, elevators, garages, car park, resorts, unsupervised machine room of the group type Specifications: Network-Mode: 2G; 3G; 4G Size: Approx. 96.5x50x31.5mm/3.79x1.96x1.24in Color: As Picture Shown Weight: Approx. 110g Material: ABS Package Includes: 1 X G203 Access Controller note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!