Features: Sound level: 105 DB Calling Unit use one 23A/12V batteries (included) Simply to press the button on Calling Unit to get immediate attention or help Slide the volume control switch on the top of the Main Unit to HI/Mid/Lo for high/middle/low level call or alarm sound In order to keep away from low battery power,suggest using the DC 6V adaptor as power source for long-term usage Operation: ⒈ Place the Main Unit in living room, kitchen, bedroom or any place where it could easily ger attention of the Calling Unit. And Slide it to ON ⒉ Press buttons on Main Unit and Calling Unit to learn code ⒊ Press CALL/PANIC on calling Unit to get attention for your need or distress ⒋ Press RESET on Main Unit to stop the call or alarm sound and signal WARNING: THE piercing,high-pitched alarm sound may injure one's hearing if it is in close proximity to the ears. This alarm contains small parts and is not suitable for children This product is not recommended for use in the rain Be sure to read the manual carefully before you use the product and retain instructions for future reference Package includes:  1 x Main unit 2 x Calling units 1 x DC 6V Power Adaptor 2 x manual Welcome to our store, may you have a pleasant shopping experience! Any problem please feel free to contact us first so that we can supply the best service for you.

• Doberman has long-standing relationships with high quality manufactures and a dedicated team ready to offer the world a new line of excisting and affordable personal security devices. You'll find Doberman security products to be simple to use, highly effective as well as affordable after using Doberman security products.
• Doberman Security products specializes in affordable high quality, security devices for everyday use. The team of dedicated security professionals, engineers and researchers has spent years desighing first-rate security products.
• Our products are manufactured using only the highest quality sourced materials and then put through a stenuous battery of tests to ensure quality and reliability, and all doberman security items are strenuously tested by our experienced R&D teams.
• With operation range 100 Feet and PANIC / CALL Button in the Transmittter , the Home Safety Alerts Catains 1 Main Unit(Receiver) ,2 Calling Units(Transmittter), powered by DC 6V adaptor (Included) or 4pcs AA batteries(AA Bateries are Not Included).
• Doberman Security Wireless Calling System Alerts, Home Safety Alerts are Suitable for Parents, Pregnant women, Students, People with reduced mobility, Patient, Injured person, Disabled people Etc.

Doberman has long-standing relationships with high quality manufactures and a dedicated team ready to offer the world a new line of excisting and affordable personal security devices. You'll find Doberman security products to be simple to use, highly effective as well as affordable after using Doberman security products.Mystery