【5 Modes Motion Sensor Alarm】Not only serves as a motion sensor to detect alerts but also has other functions. Welcome / Doorbell / Alarm / Color light / Lighting Mode. Motion detectors are essential in a home security system. While wireless door chime is suitable for indoor applications, please note that it is not waterproof 【36 Ringtones & 5 Welcome Language Rings】5 welcome languages are selectable in welcome mode. 36 ringtones selectable in doorbell mode. Welcome/doorbell/Alarm model has 4 level volume adjustment. Color light/ Lighting mode is silent and has 4 levels of brightness adjustment. Great for people with hearing disabilities or if there is a sleeping baby in your house 【Sensitive & Wide Wireless Range】The motion sensor doorbell entry alert door chime for business stores catches movement from a broad scope of space, with a working Range of up to 280m/918ft between the receiver and motion sensor. The detection range of the infrared sensor is approximately 2-8m/7-26ft to keep you informed and safe 【Expandable Wireless Home Security】You can choose the quantity of transmitters and receivers you like. Each receiver of this motion sensor alarm can work with 32 motion sensors and 8 remotes at most. The doorbell uses distinct colored lights (red, green, blue) to differentiate between sensors, though it does not support assigning unique chime sounds to each (Remote Extra Purchase ASIN: B07HQS5G5V) 【Easy to Install & Use】The wireless doorbell can be used by connecting USB port or installing it with batteries（infrared sensor needs 3 AAA batteries and receiver needs 3 AA batteries)to make it work. Both the infrared sensor and the receiver have a mounting base. The motion sensor doorbell can be rotated 360 degrees from left to right and 180 degrees from top to bottom Functions
- Welcome the guest/customer/visitor in day time, anti-thief in the night, prevent the loss of dementia patients,welcome /doorbell /alarm / color light etc five reminder, the secret assistant of the boss!
- Remote transmission, 280m(918 feet) in open place, suitable for more places!
- 8 chord music chip, 40mm big horn, more pleasant, more loudly!
- User-Friendly,4 levels volume adjustment (Loud/High/Middle/Low ) from 113-25dB
- Colorful LED lights, brightness can adjust, can use different colors to distinguish different entrance, more intelligent!
- Independent alarm horn,maximum 113dB, can effectively deter thieves!
- Volume can adjust, have memory function when change the battery, more considerate and more comfortable!
- Can maximum learning 32 infrared, vibration, magnetic etc wireless sensor accessories and 8 remote controllers.
- Applicable to all kinds of shops, upscale clubs, hotels, offices, factories, homes, banks, store,garage, supermarket, boutique,villas, mail box and so on place!
- MEMORY FUNCTION:Remember your last set melody and volume level after power off,then don't need to reset to your previous settings again.

Description
Power Supply (Receiver): Micro USB or AAA alkaline battery x 3 (not included)
Battery lifespan: 5-7 months (based on 30 minutes per day)
Operating range: 280m/918ft
Ring Volume: ¡Ü113dB
Working frequency: 433.92MHz
Magnetic Transmitter: Low battery indication
Remote Control Size: 2.36x1.57x0.79inch
Receiver Size: 4.57x2.52x1.02inch

Package List
1 x Door Alarm Receiver
1 x Instruction Manual
1 x Desktop base
1 x Infrared Curtain Transmitter
1 x Remote Control
1 x Bag of Mounting Screws
2 x Double Tapes

PS: The receiver host can max learing 32 infrade curtain to detect different entrance with its color light to distinguish the entrances!