🔥【Adjustable Volume Control & 36 Chimes Options】Choose from 36 different chime sounds in doorbell mode and adjust the 4 levels of volume adjustable in welcome, doorbell and alarm mode, with a maximum volume of 113dB to ensure you won't miss a notification. In welcome mode, ding dong sound with a selected welcome tone. There are five different welcome tones available in multiple languages. Doorbell Mode has 36 selectable chimes tunes to choose from when the door is opened. 🔥【5 Different Modes with 5 Functions】Greencycle door chimes when door opens for business has 5 modes for your choice, welcome, doorbell, alarm, color light and lighting mode. With door chime when door opens, you don't have to worry about missing visitors. Alert Mode mode has both daytime and nighttime anti-theft features. When the magnetic stripe is separated, a 113 dB wireless door chime will sound for 30 seconds, alerting you or your neighbours. 🔥【Wide Working Range】This entry alert chime for business communication range is approximately up to 600ft the distance from the sensors to the receiver in open area. This is a measured distance in an open area, the actual distance will be affected by various factors such as ambient temperature. DIY home protection, more sensors and receivers available for pairing, extendable up to 32 magnetic sensor, vibration sensor, PIR motion sensor. 🔥【Easy Installtion & Use】Just install the battery into doorbell receiver and tag the double-sided adhesive tape on the back of wireless doorbell sensor and stick them to the door or window is fine. Door chime sensor is easy to install with included hardware and adhesive strips, and requires no wiring or technical expertise, making it a hassle-free solution. 🔥【Lifeguard for Your Family】This bell for door opening sounds an alarm when a thief opens the door, which helps prevent break-ins. Also has a silent mute light reminder mode very friendly to the deaf. When the trigger detector senses a signal, the more important zone is reminded with optional four kinds of light colors to distinguish. When the magnetic sensor is activated, white light will be turned on for 2 minutes in night light mode. 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)
Power Supply (Magnetic Transmitter): Micro USB or AAA alkaline battery x 1 ( 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

Package List
2 x Magnetic Transmitter
1 x Door Alarm Receiver
1 x Instruction Manual
1 x Desktop base
2 x Double Tapes
1 x Remote Control

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