Inter Solar Systems [P] Ltd. Offers Door Frame Metal Detector. Inter Solar Systems [P] Ltd. Has received ISO 9001:2000 certifications. Inter Solar Systems [P] Ltd. Supplies ISI marked solar energy products. Door Frame Metal Detector is provided with the facility of dual adaptability. Door Frame Metal Detector is highly efficient and has high operating range and can be operated in extremely difficult conditions. It is used by Defense forces for surveillance purposes. This device is powered by solar energy.